Implement V2 key rotation support

Implement V2 registration support
Support blob-encrypted ciphers and match upstream's key id checks
2026-10-23 02:08:10 +03:00 · 2026-10-05 22:12:26 +02:00 · 2026-10-05 22:12:24 +02:00 · 2026-10-05 21:56:07 +02:00 · 2026-10-05 14:39:21 +02:00 · 2026-10-05 14:38:01 +02:00
50 changed files with 1260 additions and 1522 deletions
@@ -180,7 +180,7 @@
 ## Defaults to every minute. Set blank to disable this job.
 # AUTH_REQUEST_PURGE_SCHEDULE="30 * * * * *"
 ##
-## Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled or set to use the legacy iframe prompt.
+## Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled.
 ## Defaults to every minute. Set blank to disable this job.
 # DUO_CONTEXT_PURGE_SCHEDULE="30 * * * * *"
 #
@@ -338,6 +338,8 @@
 ## "local" accepts it from any non global address, which covers a reverse proxy running on the same
 ## host or container network. Use "all" to accept it from anywhere, or list the addresses of your
 ## proxy as IPs and CIDR ranges if it connects from a public address.
+## For a list header like X-Forwarded-For, the client IP is the rightmost address that isn't one of
+## these proxies, so with several proxies in a row (a CDN in front of nginx, for example) list all of them.
 # IP_HEADER_TRUSTED_PROXIES=local

 ## Icon service
@@ -391,24 +393,12 @@
 ## The following flags are available:
 ## - "pm-5594-safari-account-switching": Enable account switching in Safari. (Safari >= 2026.2.0)
 ## - "pm-32413-multi-client-password-management": Enable changing the master password directly in the client. (Desktop/Extension >= 2026.4.0)
-## - "ssh-agent": Enable SSH agent support on Desktop. (Desktop >= 2024.12.0)
 ## - "ssh-agent-v2": Enable newer SSH agent support. (Desktop >= 2026.2.1)
-## - "ssh-key-vault-item": Enable the creation and use of SSH key vault items. (Clients >= 2024.12.0)
-## - "pm-25373-windows-biometrics-v2": Enable the new implementation of biometrics on Windows. (Desktop >= 2025.11.0)
-## - "pm-26340-linux-biometrics-v2": Enable the new implementation of biometrics on Linux. (Desktop >= 2025.11.0)
-## - "anon-addy-self-host-alias": Enable configuring self-hosted Anon Addy alias generator. (Android >= 2025.3.0, iOS >= 2025.4.0)
-## - "simple-login-self-host-alias": Enable configuring self-hosted Simple Login alias generator. (Android >= 2025.3.0, iOS >= 2025.4.0)
-## - "mutual-tls": Enable the use of mutual TLS on Android (Clients >= 2025.2.0)
-## - "cxp-import-mobile": Enable the import via CXP on iOS (Clients >= 2025.9.2)
-## - "cxp-export-mobile": Enable the export via CXP on iOS (Clients >= 2025.9.2)
 ## - "pm-30529-webauthn-related-origins":
 ## - "pm-32009-new-item-types": Enable new item types: Bank Account, Driver's License, and Passport (Clients >= 2026.4.0)
 ## - "pm-34171-card-scanner": Enable the new card scanner feature on mobile (Android >= 2026.4.1, iOS >= 2026.4.1)
-## - "desktop-ui-migration-milestone-1": Special feature flag for desktop UI (Desktop >= 2026.2.0)
-## - "desktop-ui-migration-milestone-2": Special feature flag for desktop UI (Desktop >= 2026.2.0)
-## - "desktop-ui-migration-milestone-3": Special feature flag for desktop UI (Desktop >= 2026.2.0)
-## - "desktop-ui-migration-milestone-4": Special feature flag for desktop UI (Desktop >= 2026.2.0)
 ## - "enable-basic-auth-response": Enable HTTP Basic Auth autofill in the browser extension (Browser >= 2026.9.0)
+## - "undetermined-cipher-scenario-logic": Enable the rewritten add/update login notification triggering logic in the browser extension (Browser >= 2026.2.0)
 # EXPERIMENTAL_CLIENT_FEATURE_FLAGS=

 ## Require new device emails. When a user logs in an email is required to be sent.
@@ -587,11 +577,6 @@
 # DUO_HOST=<API Hostname>
 ## After that, you should be able to follow the rest of the guide linked above,
 ## ignoring the fields that ask for the values that you already configured beforehand.
-##
-## If you want to attempt to use Duo's 'Traditional Prompt' (deprecated, iframe based) set DUO_USE_IFRAME to 'true'.
-## Duo no longer supports this, but it still works for some integrations.
-## If you aren't sure, leave this alone.
-# DUO_USE_IFRAME=false

 ## Email 2FA settings
 ## Email token size
@@ -50,6 +50,6 @@ jobs:
          severity: CRITICAL,HIGH

      - name: Upload Trivy scan results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v4.38.1
+        uses: github/codeql-action/upload-sarif@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2 # v4.38.2
        with:
          sarif_file: 'trivy-results.sarif'
@@ -23,4 +23,4 @@ jobs:

      # When this version is updated, do not forget to update this in `.pre-commit-config.yaml` too
      - name: Spell Check Repo
-        uses: crate-ci/typos@512fc24f32f44ab01972217aaaf3dc86ec234d53 # v1.50.2
+        uses: crate-ci/typos@00f422f3b19c57bc6338715ebfe3316d38768461 # v1.50.3
@@ -18,7 +18,7 @@ repos:

  # When this version is updated, do not forget to update this in `.github/workflows/typos.yaml` too
  - repo: https://github.com/crate-ci/typos
-    rev: 512fc24f32f44ab01972217aaaf3dc86ec234d53 # v1.50.2
+    rev: 00f422f3b19c57bc6338715ebfe3316d38768461 # v1.50.3
    hooks:
      - id: typos
        always_run: true
@@ -32,15 +32,15 @@ dependencies = [

 [[package]]
 name = "alloc-no-stdlib"
-version = "2.0.4"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
+checksum = "c2fb6cfd47bf496ff64095c20eaba0c201404ee38714d4142fcfa1dc334fcc7a"

 [[package]]
 name = "alloc-stdlib"
-version = "0.2.4"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e76a019e91224d279006ff972f1e984179a6e9feb050adba6ce8274aef23195"
+checksum = "0b5c1865780388bfa186411ab5f247819487fc4864c6e9c3106611fa347586e1"
 dependencies = [
 "alloc-no-stdlib",
 ]
@@ -151,9 +151,9 @@ dependencies = [

 [[package]]
 name = "async-compression"
-version = "0.4.48"
+version = "0.4.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb61aea1a7def73ee7c350a184f0e70b32c182344e2e75bf70c9b621b83417fd"
+checksum = "ee19bd99b43e3691acbad4e840420a4881cea6c0b66a208125a824f8fd53f5a1"
 dependencies = [
 "compression-codecs",
 "compression-core",
@@ -323,9 +323,9 @@ dependencies = [

 [[package]]
 name = "asyncband"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2d85fd3d291fabcc40c7232c92c280ec1754fd7b5d7ea769f143222143e179a"
+checksum = "5161fb43cb8f231f06983cb2b8f9ee9cee14be0b1356d8383398cc0f312800d1"

 [[package]]
 name = "atomic"
@@ -399,9 +399,9 @@ dependencies = [

 [[package]]
 name = "aws-runtime"
-version = "1.9.4"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25b43ad47adc2517efe3d706559d94b97e50e80e0321b3cadbc9f77cee88adcd"
+checksum = "2b8a9911551b4ea6ca13805ef52ed96f7d2bbb43cc3b4a14cb0776a71f33cfaa"
 dependencies = [
 "aws-credential-types",
 "aws-sigv4",
@@ -424,9 +424,9 @@ dependencies = [

 [[package]]
 name = "aws-sdk-sso"
-version = "1.111.0"
+version = "1.114.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65700d75f6da78c89a61a49f1539979400a4609d3329376b1dc2133d7a1b2b90"
+checksum = "12be2f9c8eef7f5fc919c96d538e629698469a02b4cb75408b26b1bd984ebe79"
 dependencies = [
 "arc-swap",
 "aws-credential-types",
@@ -442,7 +442,6 @@ dependencies = [
 "aws-types",
 "bytes",
 "fastrand",
- "http 0.2.12",
 "http 1.5.0",
 "regex-lite",
 "tracing",
@@ -450,9 +449,9 @@ dependencies = [

 [[package]]
 name = "aws-sdk-ssooidc"
-version = "1.113.0"
+version = "1.116.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb1147c254af7b6cee3ace90ae7da6f21366ce9a9b899035fa8a0fdf586eb75a"
+checksum = "d7645db8724ea3b82fdccfb67e1b0f637c9d8ab0e7ef29d84884d8d8d73f805d"
 dependencies = [
 "arc-swap",
 "aws-credential-types",
@@ -468,7 +467,6 @@ dependencies = [
 "aws-types",
 "bytes",
 "fastrand",
- "http 0.2.12",
 "http 1.5.0",
 "regex-lite",
 "tracing",
@@ -476,9 +474,9 @@ dependencies = [

 [[package]]
 name = "aws-sdk-sts"
-version = "1.116.0"
+version = "1.119.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "035c7392e751d20bf1060d625d023587eb14099646110a9cff7c697bfe4b253a"
+checksum = "03e490aa904849b38e770922faac779dd245f5cf8be81f19065acf18d276e4ad"
 dependencies = [
 "arc-swap",
 "aws-credential-types",
@@ -495,7 +493,6 @@ dependencies = [
 "aws-smithy-xml",
 "aws-types",
 "fastrand",
- "http 0.2.12",
 "http 1.5.0",
 "regex-lite",
 "tracing",
@@ -503,9 +500,9 @@ dependencies = [

 [[package]]
 name = "aws-sigv4"
-version = "1.5.3"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31d955e76ff96acd555bf06fa0fa6d5bf9335fa84ae7c64481b20ae61d231f70"
+checksum = "2312577f088c9fbf4206dfdb884cf1de9407b43e1a923cbed5237775116fc24b"
 dependencies = [
 "aws-credential-types",
 "aws-smithy-http",
@@ -515,7 +512,6 @@ dependencies = [
 "form_urlencoded",
 "hex",
 "hmac 0.13.0",
- "http 0.2.12",
 "http 1.5.0",
 "percent-encoding",
 "sha2 0.11.0",
@@ -536,9 +532,9 @@ dependencies = [

 [[package]]
 name = "aws-smithy-http"
-version = "0.64.0"
+version = "0.64.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37843d9add67c3aff5856f409c6dc315d3cdff60f9c0cb5b670dab1e9920306d"
+checksum = "639b4d8f8555f24a9be649811c3eb0b4d4616f4d61daf0c32e28873bc1ea9af1"
 dependencies = [
 "aws-smithy-runtime-api",
 "aws-smithy-types",
@@ -590,9 +586,9 @@ dependencies = [

 [[package]]
 name = "aws-smithy-runtime"
-version = "1.14.2"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3296253d3a91b3f938a3f2bcce4daebadcb4aa4228153fcec90f9d23532b4484"
+checksum = "d6e302ac1d88b99652489df31abdec6ac42a2ab2ac3982ad0ac49f64dfaf28ba"
 dependencies = [
 "aws-smithy-async",
 "aws-smithy-http",
@@ -602,9 +598,7 @@ dependencies = [
 "aws-smithy-types",
 "bytes",
 "fastrand",
- "http 0.2.12",
 "http 1.5.0",
- "http-body 0.4.6",
 "http-body 1.1.0",
 "http-body-util",
 "pin-project-lite",
@@ -615,15 +609,14 @@ dependencies = [

 [[package]]
 name = "aws-smithy-runtime-api"
-version = "1.16.2"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d881a7b7ad179fd6611680c9de89f716fb00ab40299a9a7b8c6913e8f7511a8"
+checksum = "c0730c16f91124c6a2abb4932c77e299288b3dd9f967ea2e9ec48cc6731e87a4"
 dependencies = [
 "aws-smithy-async",
 "aws-smithy-runtime-api-macros",
 "aws-smithy-types",
 "bytes",
- "http 0.2.12",
 "http 1.5.0",
 "pin-project-lite",
 "tokio",
@@ -655,16 +648,14 @@ dependencies = [

 [[package]]
 name = "aws-smithy-types"
-version = "1.6.4"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b791f3ac597193fe1d08b82366986eb1f5bc31f2ac6c194c0855276116c76cd"
+checksum = "69bb407740a197147da48238ecc94498493c9e85445732360cec180296ca45f1"
 dependencies = [
 "base64-simd",
 "bytes",
 "bytes-utils",
- "http 0.2.12",
 "http 1.5.0",
- "http-body 0.4.6",
 "http-body 1.1.0",
 "http-body-util",
 "itoa",
@@ -756,9 +747,9 @@ dependencies = [

 [[package]]
 name = "bigdecimal"
-version = "0.4.10"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d6867f1565b3aad85681f1015055b087fcfd840d6aeee6eee7f2da317603695"
+checksum = "8fa3f3d8cbf4dffcfe4991de61d012bef509a409ecbe9dd41049bfe32b4d4653"
 dependencies = [
 "autocfg",
 "libm",
@@ -827,9 +818,9 @@ dependencies = [

 [[package]]
 name = "brotli"
-version = "8.0.4"
+version = "9.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cc91aac060a7a1e25823bdccbfb6af1875b88f17c6daac97894eed8207166b3"
+checksum = "f8b851b75c23ca7873623d612fe49bd1989aeb03d08fb9432187eb253d3d4c6b"
 dependencies = [
 "alloc-no-stdlib",
 "alloc-stdlib",
@@ -838,9 +829,9 @@ dependencies = [

 [[package]]
 name = "brotli-decompressor"
-version = "5.0.3"
+version = "6.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a32acac15fe1967bc3986b2a6347dffc965602354ea6f450ad07e8bfd253583"
+checksum = "941cd9bd4ddab83cb46fa5a2d428f1c857b24ac78cb876cf7beb710840934bd7"
 dependencies = [
 "alloc-no-stdlib",
 "alloc-stdlib",
@@ -891,9 +882,9 @@ dependencies = [

 [[package]]
 name = "cached"
-version = "4.0.0"
+version = "4.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5a6cf8262820194a1488ece477f5fb5ba9256ef25229d525470e71d6e9a5835"
+checksum = "292f39b5c459538e148825347c400cb2005a618b897d0e6be183bad677d460b7"
 dependencies = [
 "ahash",
 "async-lock",
@@ -901,7 +892,7 @@ dependencies = [
 "cached_proc_macro_types",
 "hashbrown 0.17.1",
 "parking_lot",
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 "web-time",
 ]

@@ -926,9 +917,9 @@ checksum = "f5813789573ae815c8b4be58c4428e0e7ae05f0227678ba9de332ded585b9159"

 [[package]]
 name = "cc"
-version = "1.4.7"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54413ede23c2daf518f35156dfde027feb2374004d63bd497f983c8db9c0e313"
+checksum = "f74872d07caf508b30a21f6836e7d7016a2eaf7d9ff4f48deaa58cd8a0407630"
 dependencies = [
 "find-msvc-tools",
 "jobserver",
@@ -1007,9 +998,9 @@ dependencies = [

 [[package]]
 name = "compression-codecs"
-version = "0.4.43"
+version = "0.4.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef16c47ba2797aa6a909cc37d39911f3a6743811fe7408ac0b0cc0276b656e9"
+checksum = "98fc98460ba0ad5317075d3632b8dfc45d0be8c4a49347c2a38272019717614a"
 dependencies = [
 "brotli",
 "compression-core",
@@ -1446,7 +1437,7 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "10d60334b3b2e7c9d91ef8150abfb6fa4c1c39ebbcf4a81c2e346aad939fee3e"
 dependencies = [
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 ]

 [[package]]
@@ -1811,13 +1802,12 @@ dependencies = [

 [[package]]
 name = "encoding_rs"
-version = "0.8.41"
+version = "0.8.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b5ef0006ac9ab233c38522f5ae99cae3625151de8f706cacee1cba4b8e2832a"
+checksum = "8e985e0451871ad22fb8d2b6b076e2028a502a0d3950998c2c5c0a4f9b5d9679"
 dependencies = [
 "cfg-if",
 "core_detect",
- "multiversion",
 "multiversion_no_op",
 "rustversion",
 "scopeguard",
@@ -1916,9 +1906,9 @@ dependencies = [

 [[package]]
 name = "find-msvc-tools"
-version = "0.1.13"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef25905e51abafe4dcea6c15fec58c57b601cdbd0ee53d22ea1d3016c587d39b"
+checksum = "aedcfb3409746eddb02b9e19ebda1c3394f759a152e48ee875a0844d1b955484"

 [[package]]
 name = "flate2"
@@ -2245,7 +2235,7 @@ dependencies = [
 "pest_derive",
 "serde",
 "serde_json",
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 "walkdir",
 ]

@@ -2321,8 +2311,8 @@ dependencies = [
 "idna",
 "ipnet",
 "jni",
- "rand 0.10.2",
- "thiserror 2.0.20",
+ "rand 0.10.3",
+ "thiserror 2.0.21",
 "tinyvec",
 "tokio",
 "tracing",
@@ -2341,9 +2331,9 @@ dependencies = [
 "jni",
 "once_cell",
 "prefix-trie",
- "rand 0.10.2",
+ "rand 0.10.3",
 "ring",
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 "tinyvec",
 "tracing",
 "url",
@@ -2366,11 +2356,11 @@ dependencies = [
 "ndk-context",
 "once_cell",
 "parking_lot",
- "rand 0.10.2",
+ "rand 0.10.3",
 "resolv-conf",
 "smallvec",
 "system-configuration",
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 "tokio",
 "tracing",
 ]
@@ -2544,31 +2534,32 @@ dependencies = [

 [[package]]
 name = "hyper-rustls"
-version = "0.27.9"
+version = "0.27.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33ca68d021ef39cf6463ab54c1d0f5daf03377b70561305bb89a8f83aab66e0f"
+checksum = "dfa8e654703247911e29c23fbeaa261834bd9bb74efba2f9acddc37bfb127f53"
 dependencies = [
 "http 1.5.0",
 "hyper 1.11.1",
 "hyper-util",
 "rustls 0.23.45",
 "tokio",
- "tokio-rustls 0.26.5",
+ "tokio-rustls 0.26.6",
 "tower-service",
 ]

 [[package]]
 name = "hyper-util"
-version = "0.1.20"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
+checksum = "ddc03d96684f9226b8a787cdb71488417b53ab5ea8fdb1dac946cb9431cc8bff"
 dependencies = [
- "base64 0.22.1",
+ "base64 0.23.1",
 "bytes",
 "futures-channel",
 "futures-util",
 "http 1.5.0",
 "http-body 1.1.0",
+ "httparse",
 "hyper 1.11.1",
 "ipnet",
 "libc",
@@ -2867,7 +2858,7 @@ dependencies = [
 "jni-sys",
 "log",
 "simd_cesu8",
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 "walkdir",
 "windows-link",
 ]
@@ -2927,9 +2918,9 @@ dependencies = [

 [[package]]
 name = "js-sys"
-version = "0.3.105"
+version = "0.3.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce57d20d1ea864ce2ac172ab472d409214f4fd359f0b2a2775abdf522e2af99e"
+checksum = "7883d941dae510fb2d978fc3fe018c71c9e2892fd38854de3e8b92c2e5ad9cc5"
 dependencies = [
 "cfg-if",
 "futures-util",
@@ -2980,9 +2971,9 @@ dependencies = [

 [[package]]
 name = "lazy_static"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+checksum = "20870f649af7073d53e38067b2a84312175d56ea15217e1b15bc83506ec50afb"
 dependencies = [
 "spin 0.9.9",
 ]
@@ -3013,16 +3004,16 @@ dependencies = [
 "serde",
 "socket2 0.6.5",
 "tokio",
- "tokio-rustls 0.26.5",
+ "tokio-rustls 0.26.6",
 "tracing",
 "url",
 ]

 [[package]]
 name = "libc"
-version = "0.2.189"
+version = "0.2.190"
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+checksum = "ce5d3ddc6d3fa000eb1536d85e147bfe31aacaba692ed6a876f95cb7c855be78"

 [[package]]
 name = "libm"
@@ -3128,16 +3119,6 @@ dependencies = [
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-[[package]]
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- "slab",
-]
-
 [[package]]
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@@ -3198,9 +3179,9 @@ dependencies = [

 [[package]]
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+version = "1.2.4"
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+checksum = "1788edb87fdc09c7e26304471e2f5be8cdefb1b6930d6e3985fc02ff53bf86ee"
 dependencies = [
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 "wasi",
@@ -3246,27 +3227,6 @@ dependencies = [
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-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-]
-
-[[package]]
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- "quote",
- "rustversion",
- "syn 3.0.6",
-]
-
 [[package]]
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@@ -3400,9 +3360,9 @@ dependencies = [

 [[package]]
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+version = "0.6.6"
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+checksum = "26ac76200f74e658124f95fa63e1a82b2fd2181c5b2fdde80b3d89d2d3f905e7"

 [[package]]
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@@ -3482,9 +3442,9 @@ dependencies = [

 [[package]]
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+version = "0.59.4"
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 dependencies = [
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@@ -3493,9 +3453,9 @@ dependencies = [

 [[package]]
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 dependencies = [
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 "asyncband",
@@ -3507,7 +3467,7 @@ dependencies = [
 "log",
 "md-5",
 "percent-encoding",
- "quick-xml",
+ "quick-xml 0.41.0",
 "reqsign-core",
 "serde",
 "serde_json",
@@ -3519,9 +3479,9 @@ dependencies = [

 [[package]]
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 dependencies = [
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@@ -3533,9 +3493,9 @@ dependencies = [

 [[package]]
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-checksum = "a0e7d8974aebd33be899200c9d0d50b2141fd5fa5c462b29e20653e3ddbfe339"
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 dependencies = [
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@@ -3547,9 +3507,9 @@ dependencies = [

 [[package]]
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-version = "0.59.2"
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-checksum = "2942f2d8d3d4953c0e8d07cd1244879628d084948e48ce6b6d808c5938f7858d"
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 dependencies = [
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 "bytes",
@@ -3558,7 +3518,7 @@ dependencies = [
 "log",
 "md-5",
 "opendal-core",
- "quick-xml",
+ "quick-xml 0.41.0",
 "reqsign-aws-v4",
 "reqsign-core",
 "reqsign-file-read-tokio",
@@ -3800,9 +3760,9 @@ checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"

 [[package]]
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-version = "2.9.1"
+version = "2.9.2"
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-checksum = "6d45aeb61b4bf818e12d4205f2466f8c4748f85f4fce0146d1c03d69d753f0ad"
+checksum = "45d3aca230fad2e6f6317ca0a72724338c4960cb97168a85cdee66df4a9a21a8"
 dependencies = [
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@@ -3810,9 +3770,9 @@ dependencies = [

 [[package]]
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+version = "2.9.2"
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-checksum = "89cc5a242e25ed4e7704d0be240f2cfbe20a8c27e7e252d94835be93d92dc39f"
+checksum = "284b60557f2c4a2e72ad3f2d34d42685a2fa4a6a61d0d2a10c0ae2a5e916c2cf"
 dependencies = [
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@@ -3820,9 +3780,9 @@ dependencies = [

 [[package]]
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+version = "2.9.2"
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-checksum = "7abf21475cc3820fe4b2ca2dc2142902f67a02189f3b5b3a229f4febc01a43e5"
+checksum = "1d9d1f08a115309ee99268cf85e5228e0e56aa9caf8841ec12866b6be07c3109"
 dependencies = [
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 "pest_meta",
@@ -3833,9 +3793,9 @@ dependencies = [

 [[package]]
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-version = "2.9.1"
+version = "2.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adba4db388f687393c18c51348d44a41d870ca9df71a2c98172ea3035dc6936e"
+checksum = "ed93ba1a9ffcca32130a5188701c81c0c49cf00d4b7c5007d5148951d743adcb"
 dependencies = [
 "pest",
 ]
@@ -3925,9 +3885,9 @@ checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd"

 [[package]]
 name = "pin-utils"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+checksum = "13bee6c73da26345c729282832b60b0363cf3dd9f4bfd81d8551b7a1c889a113"

 [[package]]
 name = "piper"
@@ -4007,9 +3967,9 @@ dependencies = [

 [[package]]
 name = "powerfmt"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "4a6394b9e965e73d0a289ee54f589087e2c676aedf60885baf52c76b771e4958"

 [[package]]
 name = "ppv-lite86"
@@ -4022,9 +3982,9 @@ dependencies = [

 [[package]]
 name = "pq-sys"
-version = "0.7.5"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "574ddd6a267294433f140b02a726b0640c43cf7c6f717084684aaa3b285aba61"
+checksum = "9152654059e4fb5b66a4052acf3ee43a7a7132332e44cdb72a81ee93bd038950"
 dependencies = [
 "libc",
 "pkg-config",
@@ -4129,6 +4089,16 @@ dependencies = [
 "serde",
 ]

+[[package]]
+name = "quick-xml"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41b1177fdf999d2321d3fb46ff47159d9c1fb9ad66a4879f8c50a0b504615e9b"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.47"
@@ -4190,9 +4160,9 @@ dependencies = [

 [[package]]
 name = "rand"
-version = "0.10.2"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7f5fa3a058cd35567ef9bfa5e75732bee0f9e4c55fa90477bef2dfcdbc4be80"
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 dependencies = [
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 "getrandom 0.4.3",
@@ -4329,9 +4299,9 @@ dependencies = [

 [[package]]
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-version = "3.1.1"
+version = "3.2.0"
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-checksum = "bac4749b7dfa7bfaccd01eb03e9dc795ed37e3f20d6f0f38e2c67ee85ad6bc86"
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 dependencies = [
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@@ -4339,7 +4309,7 @@ dependencies = [
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 "log",
 "percent-encoding",
- "quick-xml",
+ "quick-xml 0.42.0",
 "reqsign-core",
 "rust-ini",
 "serde",
@@ -4350,14 +4320,14 @@ dependencies = [

 [[package]]
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+version = "3.3.1"
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 dependencies = [
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 "http 1.5.0",
 "log",
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+ "quick-xml 0.42.0",
 "reqsign-aws-core",
 "reqsign-core",
 "serde",
@@ -4365,20 +4335,19 @@ dependencies = [

 [[package]]
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-version = "3.3.1"
+version = "3.3.2"
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+checksum = "85fed85c436b6b920e4b36310f699a77771a91e38ae483df48447bd7d162671c"
 dependencies = [
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+ "asyncband",
 "base64 0.23.1",
 "bytes",
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 "hmac 0.13.0",
 "http 1.5.0",
 "jiff",
 "log",
- "mea",
 "percent-encoding",
 "sha1 0.11.0",
 "sha2 0.11.0",
@@ -4387,9 +4356,9 @@ dependencies = [

 [[package]]
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+version = "3.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "586a8e198057773f9616901fd723a4bc186812b9765bc0f20368661d6169d906"
 dependencies = [
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 "reqsign-core",
@@ -4429,7 +4398,7 @@ dependencies = [
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 "sync_wrapper",
 "tokio",
- "tokio-rustls 0.26.5",
+ "tokio-rustls 0.26.6",
 "tokio-util",
 "tower",
 "tower-http",
@@ -4622,7 +4591,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c51c9ae4df8a7fba42103df5c621fa3c37eccf3a3c650879e90fc48b11cc192c"
 dependencies = [
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- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 ]

 [[package]]
@@ -4735,9 +4704,9 @@ dependencies = [

 [[package]]
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-version = "0.7.0"
+version = "0.7.1"
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@@ -4756,9 +4725,9 @@ dependencies = [

 [[package]]
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+version = "0.2.0"
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+checksum = "eec689c0bc40ff2458a5977b6619cb718087084a18e02a131c599b62d05e1a5f"

 [[package]]
 name = "rustls-webpki"
@@ -5024,9 +4993,9 @@ dependencies = [

 [[package]]
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-version = "3.23.0"
+version = "3.24.0"
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 dependencies = [
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@@ -5045,9 +5014,9 @@ dependencies = [

 [[package]]
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-version = "3.23.0"
+version = "3.24.0"
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-checksum = "1d607aa01a3cb0ad757d6fd216136910db3c97b102fe686585689615a02dbcdc"
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@@ -5174,15 +5143,15 @@ checksum = "0d585997b0ac10be3c5ee635f1bab02d512760d14b7c468801ac8a01d9ae5f1d"
 dependencies = [
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 "num-traits",
- "thiserror 2.0.20",
+ "thiserror 2.0.21",
 "time",
 ]

 [[package]]
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-version = "1.0.3"
+version = "1.0.4"
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+checksum = "33f4fe9184a62d842c9ef383018f3306d8ba224fd9d836f56d7288308847c256"

 [[package]]
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@@ -5192,9 +5161,9 @@ checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"

 [[package]]
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-version = "1.16.1"
+version = "1.16.2"
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 [[package]]
 name = "socket2"
@@ -5424,11 +5393,11 @@ dependencies = [

 [[package]]
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+version = "2.0.21"
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 dependencies = [
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+ "thiserror-impl 2.0.21",
 ]

 [[package]]
@@ -5444,9 +5413,9 @@ dependencies = [

 [[package]]
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-version = "2.0.20"
+version = "2.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "fe5197923287db20a58125f0bc85c062f7f2c892de97b18c356f9efb14b28524"
 dependencies = [
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 "quote",
@@ -5521,9 +5490,9 @@ checksum = "fd3ca314f692efd6c868f8408f53fe444634a845f96c028b97d35f6a1f79f0ee"

 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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 "libc",
@@ -5559,9 +5528,9 @@ dependencies = [

 [[package]]
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+version = "0.26.6"
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+checksum = "c9cc2678c2cdd569ef8215e2afd7954ada2ae20b4fdd2c5fe6139a3b02d105db"
 dependencies = [
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@@ -5935,9 +5904,9 @@ checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"

 [[package]]
 name = "uuid"
-version = "1.26.1"
+version = "1.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ef6dac1e96601b4fb3acccccff2139741fcb757cb9a36089bf5be91cfb285ce"
+checksum = "97277d36b9c3ace13e58fa6e753f8b0bbbf302a18dd193240d70f9e29681059a"
 dependencies = [
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 "js-sys",
@@ -6008,7 +5977,7 @@ dependencies = [
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 "percent-encoding",
 "pico-args",
- "rand 0.10.2",
+ "rand 0.10.3",
 "regex",
 "reqsign-aws-v4",
 "reqsign-core",
@@ -6093,9 +6062,9 @@ dependencies = [

 [[package]]
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+version = "0.2.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aecb87a33d3b0c5e3b7aa46336eaf486cffafbd281b195e4c8b80d50df2351bf"
+checksum = "9bb54f33acc68fd454578d9820b0bde1a1a3d17aa17bb7b6595806d02886d409"
 dependencies = [
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@@ -6106,19 +6075,20 @@ dependencies = [

 [[package]]
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-version = "0.4.78"
+version = "0.4.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "3cbab34de2d982e9b48e18d216d04c4a6f641066ff19ffb699980f591ee3610e"
 dependencies = [
 "js-sys",
+ "tokio",
 "wasm-bindgen",
 ]

 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.128"
+version = "0.2.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a690d511e3c1a8b3a55e33511e3c2c00c78415cd23650f32b808627f5696b9ed"
+checksum = "2e29d0c35b16e224a7eeb5cd2d25e3e1968fbd65604117b44d3b789d00ee8535"
 dependencies = [
 "quote",
 "wasm-bindgen-macro-support",
@@ -6126,9 +6096,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.128"
+version = "0.2.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "411e4887f0071ef2d2164a9d5fdf2d20efbef78fccd3a78b0c10a1dc5295e48a"
+checksum = "6f501a8bc3719dba86ef8ae4728879c08001bea749eb1333ac5b91e040e2a6b7"
 dependencies = [
 "bumpalo",
 "proc-macro2",
@@ -6139,9 +6109,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.128"
+version = "0.2.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81941cd78d0c92026c33e5e01312845a4cb1e9af3407f9134b100dd03144103e"
+checksum = "23f0c9c52aa7cd7d77769a4cfe2a9adb1b331f489a41d912ce14513d5ab995c6"
 dependencies = [
 "unicode-ident",
 ]
@@ -6161,9 +6131,9 @@ dependencies = [

 [[package]]
 name = "web-sys"
-version = "0.3.105"
+version = "0.3.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fbddc4a036f00ec4f18c83445bd3115cb306a91da554919a099d9222fe4a7f8"
+checksum = "88261b9deccee56594c11a3460c462c41f58d148598fe70ad77070126a68aba4"
 dependencies = [
 "js-sys",
 "wasm-bindgen",
@@ -6611,9 +6581,9 @@ dependencies = [

 [[package]]
 name = "yoke-derive"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33811428bee40dbceb6d545e95754741d17a6aef9a4849f0fd62e2ba4f412a78"
+checksum = "ec8ebde2db3681e8c9980cc27822030e68752690ddfa9473e739aeb4dbde6d71"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -6636,18 +6606,18 @@ dependencies = [

 [[package]]
 name = "zerocopy"
-version = "0.8.57"
+version = "0.8.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d35102a9f36d089ccae9e4c6802bc118be4487b80aaffc0ab4e0cf5ce92d2873"
+checksum = "6df92bf3d9227be3d53173901ddbffac2babc27ae50f397776ffd6dc33f800cb"
 dependencies = [
 "zerocopy-derive",
 ]

 [[package]]
 name = "zerocopy-derive"
-version = "0.8.57"
+version = "0.8.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "146c01f5ab44258da43cf276c74a2763db2ff3969c9c652c3f2de07041d0b2bc"
+checksum = "ac4f328cf2f05d084e496c3e9c3f33ed0a183656a16e1fcec4d464d8373aec82"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -1,6 +1,6 @@
 [workspace.package]
 edition = "2024"
-rust-version = "1.96.1"
+rust-version = "1.97.1"
 license = "AGPL-3.0-only"
 repository = "https://github.com/dani-garcia/vaultwarden"
 publish = false
@@ -77,7 +77,7 @@ dotenvy = { version = "0.15.7", default-features = false }
 # Numerical libraries
 num-traits = "0.2.19"
 num-derive = "0.5.1"
-bigdecimal = "0.4.10"
+bigdecimal = "0.4.11"

 # Web framework
 rocket = { version = "0.5.1", default-features = false, features = ["json", "tls"] }
@@ -91,7 +91,7 @@ dashmap = "6.2.1"

 # Async futures
 futures = "0.3.34"
-tokio = { version = "1.53.1", features = [
+tokio = { version = "1.53.2", features = [
    "fs",
    "io-util",
    "net",
@@ -123,13 +123,13 @@ diesel-derive-newtype = "2.1.3"
 libsqlite3-sys = { version = "0.38.2", optional = true }

 # Crypto-related libraries
-rand = "0.10.2"
+rand = "0.10.3"
 ring = "0.17.14"
 rustls = { version = "0.23.45", features = ["ring", "std"], default-features = false }
 subtle = "2.6.1"

 # UUID generation
-uuid = { version = "1.26.1", features = ["v4"] }
+uuid = { version = "1.27.0", features = ["v4"] }

 # Date and time libraries
 chrono = { version = "0.4.45", default-features = false, features = ["clock", "serde"] }
@@ -215,7 +215,7 @@ bytes = "1.12.1"
 svg-hush = "0.9.7"

 # Cache function results (Used for version check and favicon fetching)
-cached = { version = "4.0.0", features = ["async"] }
+cached = { version = "4.0.1", features = ["async"] }

 # Used for custom short lived cookie jar during favicon extraction
 cookie = "0.18.2"
@@ -257,8 +257,8 @@ rpassword = "7.5.4"
 grass_compiler = { version = "0.13.4", default-features = false }

 # File are accessed through Apache OpenDAL
-opendal = { version = "0.59.2", default-features = false, features = ["services-fs"] }
-opendal-http-transport-reqwest = { version = "0.59.2", default-features = false, features = ["rustls-no-provider"], optional = true }
+opendal = { version = "0.59.4", default-features = false, features = ["services-fs"] }
+opendal-http-transport-reqwest = { version = "0.59.4", default-features = false, features = ["rustls-no-provider"], optional = true }

 # For retrieving AWS credentials, including temporary SSO credentials
 aws-config = { version = "1.12.0", optional = true, default-features = false, features = [
@@ -268,10 +268,10 @@ aws-config = { version = "1.12.0", optional = true, default-features = false, fe
    "sso",
 ] }
 aws-credential-types = { version = "1.3.0", optional = true }
-aws-smithy-runtime-api = { version = "1.16.2", optional = true }
+aws-smithy-runtime-api = { version = "1.19.0", optional = true }
 http = { version = "1.5.0", optional = true }
-reqsign-aws-v4 = { version = "3.3.0", optional = true }
-reqsign-core = { version = "3.3.1", optional = true }
+reqsign-aws-v4 = { version = "3.3.1", optional = true }
+reqsign-core = { version = "3.3.2", optional = true }

 # Strip debuginfo from the release builds
 # The debug symbols are to provide better panic traces
@@ -32,10 +32,10 @@ FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@sha256:ba8bab66d4330
 ########################## ALPINE BUILD IMAGES ##########################
 ## NOTE: The Alpine Base Images do not support other platforms then linux/amd64 and linux/arm64
 ## And for Alpine we define all build images here, they will only be loaded when actually used
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:x86_64-musl-stable-1.98.1 AS build_amd64
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:aarch64-musl-stable-1.98.1 AS build_arm64
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:armv7-musleabihf-stable-1.98.1 AS build_armv7
-FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:arm-musleabi-stable-1.98.1 AS build_armv6
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:x86_64-musl-stable-1.99.0 AS build_amd64
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:aarch64-musl-stable-1.99.0 AS build_arm64
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:armv7-musleabihf-stable-1.99.0 AS build_armv7
+FROM --platform=$BUILDPLATFORM ghcr.io/blackdex/rust-musl:arm-musleabi-stable-1.99.0 AS build_armv6

 ########################## BUILD IMAGE ##########################
 # hadolint ignore=DL3006
@@ -36,7 +36,7 @@ FROM --platform=linux/amd64 docker.io/tonistiigi/xx@sha256:c64defb9ed5a91eacb37f

 ########################## BUILD IMAGE ##########################
 # hadolint ignore=DL3006
-FROM --platform=$BUILDPLATFORM docker.io/library/rust:1.98.1-slim-trixie AS build
+FROM --platform=$BUILDPLATFORM docker.io/library/rust:1.99.0-slim-trixie AS build
 # hadolint ignore=DL3067
 COPY --from=xx / /
 ARG TARGETARCH
@@ -101,9 +101,17 @@ RUN . /env-cargo && \
    # https://github.com/tonistiigi/xx/pull/108#issuecomment-3700635977
    # https://github.com/dani-garcia/vaultwarden/discussions/7522
    if xx-info is-cross; then \
-        XX_RUSTFLAGS="-C link-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
-        export XX_RUSTFLAGS; \
+        XX_RUSTFLAGS="-Clink-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
    fi && \
+    # Debian's GCC adds a special fix for cortex-a53 arch's which gets losts when using xx-cargo, which uses clang
+    # Checking if the arch is arm64 and adding this extra link-arg should cause this fix to be applied
+    # This should fix issues reported when running on a RPi3 which is a Cortex-A35 chip
+    # See: https://salsa.debian.org/toolchain-team/gcc/-/blob/master/debian/rules2?pow_referer=#L543-548
+    # See: https://github.com/dani-garcia/vaultwarden/issues/7754
+    if [ "$(xx-info arch)" = "arm64" ]; then \
+        XX_RUSTFLAGS="${XX_RUSTFLAGS} -Clink-arg=-Wl,--fix-cortex-a53-843419"; \
+    fi && \
+    export XX_RUSTFLAGS && \
    PKG_CONFIG="$(command -v "$(xx-info)-pkg-config")" xx-cargo build --features ${DB} --profile "${CARGO_PROFILE}" && \
    find . -not -path "./target*" -delete

@@ -123,9 +131,17 @@ RUN . /env-cargo && \
    # https://github.com/tonistiigi/xx/pull/108#issuecomment-3700635977
    # https://github.com/dani-garcia/vaultwarden/discussions/7522
    if xx-info is-cross; then \
-        XX_RUSTFLAGS="-C link-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
-        export XX_RUSTFLAGS; \
+        XX_RUSTFLAGS="-Clink-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
    fi && \
+    # Debian's GCC adds a special fix for cortex-a53 arch's which gets losts when using xx-cargo, which uses clang
+    # Checking if the arch is arm64 and adding this extra link-arg should cause this fix to be applied
+    # This should fix issues reported when running on a RPi3 which is a Cortex-A35 chip
+    # See: https://salsa.debian.org/toolchain-team/gcc/-/blob/master/debian/rules2?pow_referer=#L543-548
+    # See: https://github.com/dani-garcia/vaultwarden/issues/7754
+    if [ "$(xx-info arch)" = "arm64" ]; then \
+        XX_RUSTFLAGS="${XX_RUSTFLAGS} -Clink-arg=-Wl,--fix-cortex-a53-843419"; \
+    fi && \
+    export XX_RUSTFLAGS && \
    PKG_CONFIG="$(command -v "$(xx-info)-pkg-config")" xx-cargo build --features ${DB} --profile "${CARGO_PROFILE}" && \
    if [ "${CARGO_PROFILE}" = "dev" ] ; then \
        ln -vfsr "/app/target/${CARGO_TARGET}/debug" /app/target/final ; \
@@ -32,9 +32,17 @@
    # https://github.com/tonistiigi/xx/pull/108#issuecomment-3700635977
    # https://github.com/dani-garcia/vaultwarden/discussions/7522
    if xx-info is-cross; then \
-        XX_RUSTFLAGS="-C link-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
-        export XX_RUSTFLAGS; \
+        XX_RUSTFLAGS="-Clink-arg=-Wl,-rpath-link,/usr/lib/$(xx-info triple)"; \
    fi && \
+    # Debian's GCC adds a special fix for cortex-a53 arch's which gets losts when using xx-cargo, which uses clang
+    # Checking if the arch is arm64 and adding this extra link-arg should cause this fix to be applied
+    # This should fix issues reported when running on a RPi3 which is a Cortex-A35 chip
+    # See: https://salsa.debian.org/toolchain-team/gcc/-/blob/master/debian/rules2?pow_referer=#L543-548
+    # See: https://github.com/dani-garcia/vaultwarden/issues/7754
+    if [ "$(xx-info arch)" = "arm64" ]; then \
+        XX_RUSTFLAGS="${XX_RUSTFLAGS} -Clink-arg=-Wl,--fix-cortex-a53-843419"; \
+    fi && \
+    export XX_RUSTFLAGS && \
    PKG_CONFIG="$(command -v "$(xx-info)-pkg-config")" xx-cargo build --features ${DB} --profile "${CARGO_PROFILE}"
 {%- endmacro %}
 FROM --platform=linux/amd64 docker.io/vaultwarden/web-vault@{{ vault_image_digest }} AS vault
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.98.1"
+channel = "1.99.0"
 components = [ "rustfmt", "clippy" ]
 profile = "minimal"
@@ -508,6 +508,7 @@ async fn enable_user(user_id: UserId, _token: AdminToken, conn: DbConn) -> Empty
 async fn remove_2fa(user_id: UserId, token: AdminToken, conn: DbConn) -> EmptyResult {
    let mut user = get_user_or_404(&user_id, &conn).await?;
    TwoFactor::delete_all_by_user(&user.uuid, &conn).await?;
+    Device::clear_twofactor_remember_by_user(&user.uuid, &conn).await?;
    two_factor::enforce_2fa_policy(&user, &ACTING_ADMIN_USER.into(), 14, &token.ip.ip, &conn).await?;
    user.totp_recover = None;
    user.save(&conn).await
@@ -905,23 +906,23 @@ mod tests {
    fn validate_web_vault_compare() {
        // web_vault_compare(active, latest)
        // Test normal versions
-        assert!(web_vault_compare("2025.12.0", "2025.12.1") == -1);
-        assert!(web_vault_compare("2025.12.1", "2025.12.1") == 0);
-        assert!(web_vault_compare("2025.12.2", "2025.12.1") == 1);
+        assert_eq!(web_vault_compare("2025.12.0", "2025.12.1"), -1);
+        assert_eq!(web_vault_compare("2025.12.1", "2025.12.1"), 0);
+        assert_eq!(web_vault_compare("2025.12.2", "2025.12.1"), 1);

        // Test patched/+build.n versions
        // Newer latest version
-        assert!(web_vault_compare("2025.12.0+build.1", "2025.12.1") == -1);
-        assert!(web_vault_compare("2025.12.1", "2025.12.1+build.1") == -1);
-        assert!(web_vault_compare("2025.12.0+build.1", "2025.12.1+build.1") == -1);
-        assert!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.2") == -1);
+        assert_eq!(web_vault_compare("2025.12.0+build.1", "2025.12.1"), -1);
+        assert_eq!(web_vault_compare("2025.12.1", "2025.12.1+build.1"), -1);
+        assert_eq!(web_vault_compare("2025.12.0+build.1", "2025.12.1+build.1"), -1);
+        assert_eq!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.2"), -1);
        // Equal versions
-        assert!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.1") == 0);
-        assert!(web_vault_compare("2025.12.2+build.2", "2025.12.2+build.2") == 0);
+        assert_eq!(web_vault_compare("2025.12.1+build.1", "2025.12.1+build.1"), 0);
+        assert_eq!(web_vault_compare("2025.12.2+build.2", "2025.12.2+build.2"), 0);
        // Newer active version
-        assert!(web_vault_compare("2025.12.1+build.1", "2025.12.1") == 1);
-        assert!(web_vault_compare("2025.12.2", "2025.12.1+build.1") == 1);
-        assert!(web_vault_compare("2025.12.2+build.1", "2025.12.1+build.1") == 1);
-        assert!(web_vault_compare("2025.12.1+build.3", "2025.12.1+build.2") == 1);
+        assert_eq!(web_vault_compare("2025.12.1+build.1", "2025.12.1"), 1);
+        assert_eq!(web_vault_compare("2025.12.2", "2025.12.1+build.1"), 1);
+        assert_eq!(web_vault_compare("2025.12.2+build.1", "2025.12.1+build.1"), 1);
+        assert_eq!(web_vault_compare("2025.12.1+build.3", "2025.12.1+build.2"), 1);
    }
 }
@@ -33,7 +33,7 @@ use crate::{

 use super::{
    ciphers::{CipherData, update_cipher_from_data},
-    sends::{SendData, update_send_from_data},
+    sends::SendData,
 };

 pub fn routes() -> Vec<rocket::Route> {
@@ -64,7 +64,6 @@ pub fn routes() -> Vec<rocket::Route> {
        delete_account,
        revision_date,
        password_hint,
-        post_prelogin,
        verify_password,
        post_api_key,
        rotate_api_key,
@@ -114,11 +113,8 @@ pub struct RegisterData {

    master_password_hint: Option<String>,

-    name: Option<String>,
-
    organization_user_id: Option<MembershipId>,

-    // Used only from the register/finish endpoint
    email_verification_token: Option<String>,
    accept_emergency_access_id: Option<EmergencyAccessId>,
    accept_emergency_access_invite_token: Option<String>,
@@ -141,7 +137,9 @@ struct RegisterDataOld {
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct RegisterDataCur {
+    #[serde(alias = "MasterPasswordAuthentication")]
    master_password_authentication: MasterPasswordAuthentication,
+    #[serde(alias = "MasterPasswordUnlock")]
    master_password_unlock: MasterPasswordUnlock,
 }

@@ -287,7 +285,10 @@ impl AccountKeysData {
            (Some(signed_public_key), Some(signature_key_pair), Some(security_state)) => {
                let Some(signature_algorithm) = SignatureAlgorithm::parse(&signature_key_pair.signature_algorithm)
                else {
-                    err!(format!("Unsupported signature algorithm: {}", signature_key_pair.signature_algorithm))
+                    err!(format!(
+                        "Unsupported signature algorithm: {}",
+                        signature_key_pair.signature_algorithm.escape_debug()
+                    ))
                };

                Some(ValidatedV2AccountKeys {
@@ -402,10 +403,12 @@ impl ValidatedAccountKeys {
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct MasterPasswordAuthentication {
+    #[serde(alias = "Kdf")]
    kdf: KDFData,
+    #[serde(alias = "Salt")]
    salt: String,

-    #[serde(alias = "masterPasswordAuthenticationHash")]
+    #[serde(alias = "masterPasswordAuthenticationHash", alias = "MasterPasswordAuthenticationHash")]
    hash: String,
 }

@@ -464,12 +467,11 @@ async fn is_email_2fa_required(member_id: Option<MembershipId>, conn: &DbConn) -
    false
 }

-pub async fn register(data: Json<RegisterData>, email_verification: bool, conn: DbConn) -> JsonResult {
-    let mut data: RegisterData = data.into_inner();
+pub async fn register(data: Json<RegisterData>, conn: DbConn) -> JsonResult {
+    let data: RegisterData = data.into_inner();
    let email = data.email.to_lowercase();

-    let mut email_verified = false;
-
+    let mut name = None;
    let mut pending_emergency_access = None;

    if data.compat.unprocessable(&data.email) {
@@ -477,69 +479,65 @@ pub async fn register(data: Json<RegisterData>, email_verification: bool, conn:
    }

    // First, validate the provided verification tokens
-    if email_verification {
-        match (
-            &data.email_verification_token,
-            &data.accept_emergency_access_id,
-            &data.accept_emergency_access_invite_token,
-            &data.organization_user_id,
-            &data.org_invite_token,
-        ) {
-            // Normal user registration, when email verification is required
-            (Some(email_verification_token), None, None, None, None) => {
-                let claims = crate::auth::decode_register_verify(email_verification_token)?;
-                if claims.sub != data.email {
-                    err!("Email verification token does not match email");
-                }
-
-                // During this call we don't get the name, so extract it from the claims
-                if claims.name.is_some() {
-                    data.name = claims.name;
-                }
-                email_verified = claims.verified;
-            }
-            // Emergency access registration
-            (None, Some(accept_emergency_access_id), Some(accept_emergency_access_invite_token), None, None) => {
-                if !CONFIG.emergency_access_allowed() {
-                    err!("Emergency access is not enabled.")
-                }
-
-                let claims = crate::auth::decode_emergency_access_invite(accept_emergency_access_invite_token)?;
-
-                if claims.email != data.email {
-                    err!("Claim email does not match email")
-                }
-                if &claims.emer_id != accept_emergency_access_id {
-                    err!("Claim emer_id does not match accept_emergency_access_id")
-                }
-
-                pending_emergency_access = Some((accept_emergency_access_id, claims));
-                email_verified = true;
-            }
-            // Org invite
-            (None, None, None, Some(organization_user_id), Some(org_invite_token)) => {
-                let claims = decode_invite(org_invite_token)?;
-
-                if claims.email != data.email {
-                    err!("Claim email does not match email")
-                }
-
-                if &claims.member_id != organization_user_id {
-                    err!("Claim org_user_id does not match organization_user_id")
-                }
-
-                email_verified = true;
+    let mut email_verified = match (
+        &data.email_verification_token,
+        &data.accept_emergency_access_id,
+        &data.accept_emergency_access_invite_token,
+        &data.organization_user_id,
+        &data.org_invite_token,
+    ) {
+        // Normal user registration, when email verification is required
+        (Some(email_verification_token), None, None, None, None) => {
+            let claims = crate::auth::decode_register_verify(email_verification_token)?;
+            if claims.sub != data.email {
+                err!("Email verification token does not match email");
            }

-            _ => {
-                err!("Registration is missing required parameters")
-            }
+            // During this call we don't get the name, so extract it from the claims
+            name = claims.name;
+            claims.verified
        }
-    }
+        // Emergency access registration
+        (None, Some(accept_emergency_access_id), Some(accept_emergency_access_invite_token), None, None) => {
+            if !CONFIG.emergency_access_allowed() {
+                err!("Emergency access is not enabled.")
+            }
+
+            let claims = crate::auth::decode_emergency_access_invite(accept_emergency_access_invite_token)?;
+
+            if claims.email != data.email {
+                err!("Claim email does not match email")
+            }
+            if &claims.emer_id != accept_emergency_access_id {
+                err!("Claim emer_id does not match accept_emergency_access_id")
+            }
+
+            pending_emergency_access = Some((accept_emergency_access_id, claims));
+            true
+        }
+        // Org invite
+        (None, None, None, Some(organization_user_id), Some(org_invite_token)) => {
+            let claims = decode_invite(org_invite_token)?;
+
+            if claims.email != data.email {
+                err!("Claim email does not match email")
+            }
+
+            if &claims.member_id != organization_user_id {
+                err!("Claim org_user_id does not match organization_user_id")
+            }
+
+            true
+        }
+
+        _ => {
+            err!("Registration is missing required parameters")
+        }
+    };

    // Check if the length of the username exceeds 50 characters (Same is Upstream Bitwarden)
    // This also prevents issues with very long usernames causing to large JWT's. See #2419
-    if let Some(ref name) = data.name
+    if let Some(ref name) = name
        && name.len() > 50
    {
        err!("The field Name must be a string with a maximum length of 50.");
@@ -602,7 +600,7 @@ pub async fn register(data: Json<RegisterData>, email_verification: bool, conn:
    user.password_hint = password_hint;

    // Add extra fields if present
-    if let Some(name) = data.name {
+    if let Some(name) = name {
        user.name = name;
    }

@@ -648,8 +646,7 @@ pub async fn register(data: Json<RegisterData>, email_verification: bool, conn:
    }

    Ok(Json(json!({
-      "object": "register",
-      "captchaBypassToken": "",
+      "object": "registerFinish",
    })))
 }

@@ -658,7 +655,7 @@ async fn post_set_password(data: Json<SetPasswordData>, headers: Headers, conn:
    let data: SetPasswordData = data.into_inner();
    let mut user = headers.user;

-    if user.private_key.is_some() {
+    if user.private_key.is_some() || !user.password_hash.is_empty() {
        err!("Account already initialized, cannot set password")
    }

@@ -725,7 +722,6 @@ async fn post_set_password(data: Json<SetPasswordData>, headers: Headers, conn:

    Ok(Json(json!({
      "object": "set-password",
-      "captchaBypassToken": "",
    })))
 }

@@ -819,12 +815,17 @@ async fn get_account_public_keys(user_id: UserId, _headers: Headers, conn: DbCon
 async fn get_keys(headers: Headers, conn: DbConn) -> JsonResult {
    let user = headers.user;

+    // The SDK reads a 404 as the user having no key pair yet
+    if user.private_key.is_none() || user.public_key.is_none() {
+        err_code!("User has no key pair", Status::NotFound.code)
+    }
+
    Ok(Json(json!({
-        "key": user.akey,
-        "privateKey": user.private_key,
+        "key": (!user.akey.is_empty()).then_some(&user.akey),
        "publicKey": user.public_key,
+        "privateKey": user.private_key,
        "accountKeys": user.account_keys_json(&conn).await,
-        "object": "keys"
+        "object": "keys",
    })))
 }

@@ -872,7 +873,7 @@ async fn post_keys(data: Json<PostKeysData>, headers: Headers, conn: DbConn) ->
    account_keys.save_signature_key_pair(&user.uuid, &conn).await?;

    Ok(Json(json!({
-        "key": user.akey,
+        "key": (!user.akey.is_empty()).then_some(&user.akey),
        "privateKey": user.private_key,
        "publicKey": user.public_key,
        "accountKeys": user.account_keys_json(&conn).await,
@@ -991,8 +992,11 @@ fn set_kdf_data(user: &mut User, data: &KDFData) -> EmptyResult {
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct AuthenticationData {
+    #[serde(alias = "Salt")]
    salt: String,
+    #[serde(alias = "Kdf")]
    kdf: KDFData,
+    #[serde(alias = "MasterPasswordAuthenticationHash")]
    master_password_authentication_hash: String,
 }

@@ -1573,17 +1577,20 @@ async fn rotate_account(data: RotateData, headers: Headers, conn: DbConn, nt: No

    // Update send data
    for send_data in data.account_data.sends {
-        let Some(send) = existing_sends.iter_mut().find(|s| &s.uuid == send_data.id.as_ref().unwrap()) else {
+        let Some(send) = send_data.id.as_ref().and_then(|id| existing_sends.iter_mut().find(|s| &s.uuid == id)) else {
            err!("Send doesn't exist")
        };

-        update_send_from_data(send, send_data, &headers, &conn, &nt, UpdateType::None).await?;
+        // Like upstream, only the key changes on rotation
+        send.akey = send_data.key;
+        send.save(&conn).await?;
    }

    // Update cipher data
    for cipher_data in data.account_data.ciphers {
        if cipher_data.organization_id.is_none() {
-            let Some(saved_cipher) = existing_ciphers.iter_mut().find(|c| &c.uuid == cipher_data.id.as_ref().unwrap())
+            let Some(saved_cipher) =
+                cipher_data.id.as_ref().and_then(|id| existing_ciphers.iter_mut().find(|c| &c.uuid == id))
            else {
                err!("Cipher doesn't exist")
            };
@@ -2012,19 +2019,33 @@ pub struct PreloginData {
    email: String,
 }

-#[post("/accounts/prelogin", data = "<data>")]
-async fn post_prelogin(data: Json<PreloginData>, ip: ClientIp, conn: DbConn) -> JsonResult {
-    prelogin(data, ip, conn).await
+/// Like upstream, an unknown email gets KDF settings picked from a list of common ones by a keyed hash of the email,
+/// so they stay the same between requests. The salt stays null, as for existing users.
+fn unknown_email_kdf(email: &str) -> (i32, i32, Option<i32>, Option<i32>) {
+    const PBKDF2: i32 = UserKdfType::Pbkdf2 as i32;
+    const ARGON2ID: i32 = UserKdfType::Argon2id as i32;
+    // Same list as upstream, the default is in it twice to give it more weight
+    const KDF_SETTINGS: [(i32, i32, Option<i32>, Option<i32>); 6] = [
+        (User::CLIENT_KDF_TYPE_DEFAULT, User::CLIENT_KDF_ITER_DEFAULT, None, None),
+        (User::CLIENT_KDF_TYPE_DEFAULT, User::CLIENT_KDF_ITER_DEFAULT, None, None),
+        (PBKDF2, 100_000, None, None),
+        (PBKDF2, 5_000, None, None),
+        (ARGON2ID, 3, Some(64), Some(4)),
+        (ARGON2ID, 6, Some(32), Some(4)),
+    ];
+    KDF_SETTINGS[crate::auth::prelogin_kdf_index(email, KDF_SETTINGS.len())]
 }

 pub async fn prelogin(data: Json<PreloginData>, ip: ClientIp, conn: DbConn) -> JsonResult {
    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;

    let data: PreloginData = data.into_inner();
+    // Normalized once, so the lookup and the settings for an unknown email use the same value
+    let email = data.email.trim().to_lowercase();

-    let (kdf_type, kdf_iter, kdf_mem, kdf_para) = match User::find_by_mail(&data.email, &conn).await {
+    let (kdf_type, kdf_iter, kdf_mem, kdf_para) = match User::find_by_mail(&email, &conn).await {
        Some(user) => (user.client_kdf_type, user.client_kdf_iter, user.client_kdf_memory, user.client_kdf_parallelism),
-        None => (User::CLIENT_KDF_TYPE_DEFAULT, User::CLIENT_KDF_ITER_DEFAULT, None, None),
+        None => unknown_email_kdf(&email),
    };

    Ok(Json(json!({
@@ -2508,3 +2529,62 @@ pub async fn purge_auth_requests(pool: DbPool) {
        error!("Failed to get DB connection while purging auth requests");
    }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_register_data_current_format() {
+        // Web and iOS since the master password authentication/unlock split
+        let data: RegisterData = serde_json::from_str(
+            r#"{
+                "email": "user@example.com",
+                "emailVerificationToken": "token",
+                "userAsymmetricKeys": {"publicKey": "pub", "encryptedPrivateKey": "priv"},
+                "masterPasswordAuthentication": {
+                    "kdf": {"kdfType": 0, "iterations": 600000},
+                    "salt": "user@example.com",
+                    "masterPasswordAuthenticationHash": "hash"
+                },
+                "masterPasswordUnlock": {
+                    "kdf": {"kdfType": 0, "iterations": 600000},
+                    "salt": "user@example.com",
+                    "masterKeyWrappedUserKey": "key"
+                }
+            }"#,
+        )
+        .unwrap();
+
+        assert!(!data.compat.unprocessable(&data.email));
+        assert_eq!(data.compat.hash(), "hash");
+        assert_eq!(data.compat.key(), "key");
+        assert_eq!(data.compat.kdf().kdf_iterations, 600_000);
+        assert!(data.keys.is_some());
+        assert_eq!(data.email_verification_token.as_deref(), Some("token"));
+    }
+
+    #[test]
+    fn test_register_data_flat_format() {
+        // Android before 2026.9.0
+        let data: RegisterData = serde_json::from_str(
+            r#"{
+                "email": "user@example.com",
+                "emailVerificationToken": "token",
+                "masterPasswordHash": "hash",
+                "masterPasswordHint": null,
+                "userSymmetricKey": "key",
+                "userAsymmetricKeys": {"publicKey": "pub", "encryptedPrivateKey": "priv"},
+                "kdf": 0,
+                "kdfIterations": 600000
+            }"#,
+        )
+        .unwrap();
+
+        assert!(!data.compat.unprocessable(&data.email));
+        assert_eq!(data.compat.hash(), "hash");
+        assert_eq!(data.compat.key(), "key");
+        assert_eq!(data.compat.kdf().kdf_iterations, 600_000);
+        assert!(data.keys.is_some());
+    }
+}
@@ -30,7 +30,7 @@ use crate::{
    util::{NumberOrString, deser_opt_nonempty_str, save_temp_file},
 };

-use super::folders::FolderData;
+use super::{folders::FolderData, sends::SIZE_525_MB};

 pub fn routes() -> Vec<Route> {
    // Note that many routes have an `admin` variant; this seems to be
@@ -513,10 +513,10 @@ pub async fn update_cipher_from_data(
    // We do not mind which data is in it, the keep our model more flexible when there are upstream changes.
    // But, we at least know we do not need to store and return this specific key.
    fn clean_cipher_data(mut json_data: Value) -> Value {
-        if json_data.is_array() {
-            json_data.as_array_mut().unwrap().iter_mut().for_each(|ref mut f| {
-                f.as_object_mut().unwrap().remove("response");
-            });
+        if let Some(items) = json_data.as_array_mut() {
+            for item in items.iter_mut().filter_map(Value::as_object_mut) {
+                item.remove("response");
+            }
        }
        json_data
    }
@@ -561,9 +561,10 @@ pub async fn update_cipher_from_data(
            Some(member) => {
                // A non-empty list of collections implies the caller already validated the user's write
                // access to them, so we can move the cipher into the organization on that basis.
+                // Write access to the cipher itself only counts when it already belongs to this organization.
                if shared_to_collections.as_ref().is_some_and(|cols| !cols.is_empty())
                    || member.has_full_access()
-                    || cipher.is_write_accessible_to_user(&headers.user.uuid, conn).await
+                    || (!transfer_cipher && cipher.is_write_accessible_to_user(&headers.user.uuid, conn).await)
                {
                    cipher.organization_uuid = Some(org_id);
                    // After some discussion in PR #1329 re-added the user_uuid = None again.
@@ -639,7 +640,9 @@ pub async fn update_cipher_from_data(
            err!("Data missing")
        };
        // Remove the 'Response' key from the base object.
-        type_data.as_object_mut().unwrap().remove("response");
+        if let Some(data_obj) = type_data.as_object_mut() {
+            data_obj.remove("response");
+        }
        // Remove the 'Response' key from every Uri.
        if type_data["uris"].is_array() {
            type_data["uris"] = clean_cipher_data(type_data["uris"].clone());
@@ -1270,6 +1273,10 @@ async fn post_attachment_v2(
    if file_size < 0 {
        err!("Attachment size can't be negative")
    }
+    // Matches the "file" upload limit in main.rs, nothing larger can be uploaded
+    if file_size > SIZE_525_MB {
+        err!("Max file size is 525 MB.")
+    }
    let attachment_id = crypto::generate_attachment_id();
    let attachment =
        Attachment::new(attachment_id.clone(), cipher.uuid.clone(), data.file_name, file_size, Some(data.key));
@@ -1957,7 +1964,7 @@ async fn delete_cipher_by_uuid(
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct CipherIdsData {
-    ids: Vec<CipherId>,
+    ids: HashSet<CipherId>,
 }

 async fn delete_multiple_ciphers(
@@ -225,7 +225,7 @@ async fn send_invite(data: Json<EmergencyAccessInviteData>, headers: Headers, co
    let (grantee_user, new_user) = match User::find_by_mail(&email, &conn).await {
        None => {
            if !CONFIG.invitations_allowed() {
-                err!(format!("Grantee user does not exist: {email}"))
+                err!(format!("Grantee user does not exist: {}", email.escape_debug()))
            }

            if !CONFIG.is_email_domain_allowed(&email) {
@@ -6,12 +6,13 @@ use serde_json::Value;

 use crate::{
    CONFIG,
-    api::{EmptyResult, JsonResult},
+    api::{ApiResult, EmptyResult, JsonResult},
    auth::{AdminHeaders, Headers},
    db::{
        DbConn, DbPool,
        models::{Cipher, CipherId, Event, EventType, Membership, MembershipId, OrganizationId, UserId},
    },
+    error::MapResult,
    util::parse_date,
 };

@@ -29,6 +30,14 @@ struct EventRange {
    continuation_token: Option<String>,
 }

+impl EventRange {
+    fn date_range(&self) -> ApiResult<(NaiveDateTime, NaiveDateTime)> {
+        let start_date = parse_date(&self.start).map_res("Invalid start date")?;
+        let end_date = parse_date(self.continuation_token.as_ref().unwrap_or(&self.end)).map_res("Invalid end date")?;
+        Ok((start_date, end_date))
+    }
+}
+
 // Upstream: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/AdminConsole/Controllers/EventsController.cs#L87
 #[get("/organizations/<org_id>/events?<data..>")]
 async fn get_org_events(org_id: OrganizationId, data: EventRange, headers: AdminHeaders, conn: DbConn) -> JsonResult {
@@ -39,12 +48,7 @@ async fn get_org_events(org_id: OrganizationId, data: EventRange, headers: Admin
    // Return an empty vec when we org events are disabled.
    // This prevents client errors
    let events_json: Vec<Value> = if CONFIG.org_events_enabled() {
-        let start_date = parse_date(&data.start);
-        let end_date = if let Some(before_date) = &data.continuation_token {
-            parse_date(before_date)
-        } else {
-            parse_date(&data.end)
-        };
+        let (start_date, end_date) = data.date_range()?;

        Event::find_by_organization_uuid(&org_id, &start_date, &end_date, &conn)
            .await
@@ -69,12 +73,7 @@ async fn get_cipher_events(cipher_id: CipherId, data: EventRange, headers: Heade
    let events_json: Vec<Value> = if CONFIG.org_events_enabled()
        && Membership::user_has_ge_admin_access_to_cipher(&headers.user.uuid, &cipher_id, &conn).await
    {
-        let start_date = parse_date(&data.start);
-        let end_date = if let Some(before_date) = &data.continuation_token {
-            parse_date(before_date)
-        } else {
-            parse_date(&data.end)
-        };
+        let (start_date, end_date) = data.date_range()?;

        Event::find_by_cipher_uuid(&cipher_id, &start_date, &end_date, &conn).await.iter().map(Event::to_json).collect()
    } else {
@@ -102,12 +101,7 @@ async fn get_user_events(
    // Return an empty vec when we org events are disabled.
    // This prevents client errors
    let events_json: Vec<Value> = if CONFIG.org_events_enabled() {
-        let start_date = parse_date(&data.start);
-        let end_date = if let Some(before_date) = &data.continuation_token {
-            parse_date(before_date)
-        } else {
-            parse_date(&data.end)
-        };
+        let (start_date, end_date) = data.date_range()?;

        Event::find_by_org_and_member(&org_id, &member_id, &start_date, &end_date, &conn)
            .await
@@ -168,9 +162,10 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
    }

    for event in data.iter() {
-        let event_date = parse_date(&event.date);
+        let event_date = parse_date(&event.date).map_res("Invalid event date")?;
+        // Only the event types upstream accepts from clients, the rest are written server-side.
        match event.r#type {
-            1000..=1099 => {
+            t if t == EventType::UserClientExportedVault as i32 => {
                log_user_event_impl(
                    event.r#type,
                    &headers.user.uuid,
@@ -181,7 +176,7 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
                )
                .await;
            }
-            1600..=1699 => {
+            t if t == EventType::OrganizationClientExportedVault as i32 => {
                // Only allow logging events for an organization the user is actually a member of.
                if let Some(org_id) = &event.organization_id
                    && Membership::find_confirmed_by_user_and_org(&headers.user.uuid, org_id, &conn).await.is_some()
@@ -219,7 +214,8 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
                    .await;
                }
            }
-            _ => {
+            // Client-side cipher events (viewed, copied, toggled, autofilled).
+            1107..=1114 | 1117 | 1119..=1132 => {
                // The cipher determines the organization the event is logged to, so make sure the
                // user can actually access it instead of trusting the provided cipher uuid.
                if let Some(cipher_uuid) = &event.cipher_id
@@ -240,6 +236,7 @@ async fn post_events_collect(data: Json<Vec<EventCollection>>, headers: Headers,
                    .await;
                }
            }
+            _ => {}
        }
    }
    Ok(())
@@ -15,10 +15,10 @@ use crate::{
    db::{
        DbConn,
        models::{
-            Cipher, CipherId, Collection, CollectionCipher, CollectionGroup, CollectionId, CollectionUser, EventType,
-            Group, GroupId, GroupUser, Invitation, Membership, MembershipId, MembershipStatus, MembershipType,
-            OrgPolicy, OrgPolicyType, Organization, OrganizationApiKey, OrganizationId, TwoFactor, TwoFactorType, User,
-            UserId,
+            Cipher, CipherId, Collection, CollectionCipher, CollectionGroup, CollectionId, CollectionUser, Device,
+            EventType, Group, GroupId, GroupUser, Invitation, Membership, MembershipId, MembershipStatus,
+            MembershipType, OrgPolicy, OrgPolicyType, Organization, OrganizationApiKey, OrganizationId, TwoFactor,
+            TwoFactorType, User, UserId,
        },
    },
    mail,
@@ -31,7 +31,6 @@ pub fn routes() -> Vec<Route> {
        get_organization,
        create_organization,
        delete_organization,
-        post_delete_organization,
        leave_organization,
        get_user_collections,
        get_org_collections,
@@ -39,13 +38,10 @@ pub fn routes() -> Vec<Route> {
        get_org_collection_detail,
        get_collection_users,
        put_organization,
-        post_organization,
        post_organization_collections,
        post_bulk_access_collections,
-        post_organization_collection_update,
        put_organization_collection_update,
        delete_organization_collection,
-        post_organization_collection_delete,
        bulk_delete_organization_collections,
        post_bulk_collections,
        get_org_details,
@@ -60,7 +56,6 @@ pub fn routes() -> Vec<Route> {
        get_org_user_mini_details,
        get_user,
        edit_member,
-        put_member,
        delete_member,
        bulk_delete_member,
        post_org_import,
@@ -70,7 +65,6 @@ pub fn routes() -> Vec<Route> {
        get_master_password_policy,
        get_policy,
        put_policy,
-        put_policy_vnext,
        get_plans,
        post_org_keys,
        get_organization_keys,
@@ -86,22 +80,16 @@ pub fn routes() -> Vec<Route> {
        post_groups,
        get_group,
        put_group,
-        post_group,
        get_group_details,
        delete_group,
-        post_delete_group,
        bulk_delete_groups,
        get_group_members,
-        put_group_members,
-        post_delete_group_member,
        put_reset_password_enrollment,
        get_reset_password_details,
-        put_reset_password,
        put_recover_account,
        get_org_export,
        post_api_key,
        rotate_api_key,
-        get_billing_metadata,
        get_billing_warnings,
        get_auto_enroll_status,
        get_self_host_billing_metadata,
@@ -245,16 +233,6 @@ async fn delete_organization(
    }
 }

-#[post("/organizations/<org_id>/delete", data = "<data>")]
-async fn post_delete_organization(
-    org_id: OrganizationId,
-    data: Json<PasswordOrOtpData>,
-    headers: OwnerHeaders,
-    conn: DbConn,
-) -> EmptyResult {
-    delete_organization(org_id, data, headers, conn).await
-}
-
 #[post("/organizations/<org_id>/leave")]
 async fn leave_organization(org_id: OrganizationId, headers: OrgMemberHeaders, conn: DbConn) -> EmptyResult {
    if headers.membership.status != MembershipStatus::Confirmed as i32 {
@@ -300,16 +278,6 @@ async fn put_organization(
    headers: OwnerHeaders,
    data: Json<OrganizationUpdateData>,
    conn: DbConn,
-) -> JsonResult {
-    post_organization(org_id, headers, data, conn).await
-}
-
-#[post("/organizations/<org_id>", data = "<data>")]
-async fn post_organization(
-    org_id: OrganizationId,
-    headers: OwnerHeaders,
-    data: Json<OrganizationUpdateData>,
-    conn: DbConn,
 ) -> JsonResult {
    if org_id != headers.org_id {
        err!("Organization not found", "Organization id's do not match");
@@ -640,17 +608,6 @@ async fn put_organization_collection_update(
    headers: ManagerHeaders,
    data: Json<FullCollectionData>,
    conn: DbConn,
-) -> JsonResult {
-    post_organization_collection_update(org_id, col_id, headers, data, conn).await
-}
-
-#[post("/organizations/<org_id>/collections/<col_id>", data = "<data>", rank = 2)]
-async fn post_organization_collection_update(
-    org_id: OrganizationId,
-    col_id: CollectionId,
-    headers: ManagerHeaders,
-    data: Json<FullCollectionData>,
-    conn: DbConn,
 ) -> JsonResult {
    if org_id != headers.org_id {
        err!("Organization not found", "Organization id's do not match");
@@ -746,16 +703,6 @@ async fn delete_organization_collection(
    delete_organization_collection_impl(&org_id, &col_id, &headers, &conn).await
 }

-#[post("/organizations/<org_id>/collections/<col_id>/delete")]
-async fn post_organization_collection_delete(
-    org_id: OrganizationId,
-    col_id: CollectionId,
-    headers: ManagerHeaders,
-    conn: DbConn,
-) -> EmptyResult {
-    delete_organization_collection_impl(&org_id, &col_id, &headers, &conn).await
-}
-
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 struct BulkCollectionIds {
@@ -1081,7 +1028,7 @@ async fn send_invite(
        let user = match User::find_by_mail(email, &conn).await {
            None => {
                if !CONFIG.invitations_allowed() {
-                    err!(format!("User does not exist: {email}"))
+                    err!(format!("User does not exist: {}", email.escape_debug()))
                }

                if !CONFIG.is_email_domain_allowed(email) {
@@ -1099,7 +1046,7 @@ async fn send_invite(
            }
            Some(user) => {
                if Membership::find_by_user_and_org(&user.uuid, &org_id, &conn).await.is_some() {
-                    err!(format!("User already in organization: {email}"))
+                    err!(format!("User already in organization: {}", email.escape_debug()))
                }

                if !CONFIG.mail_enabled() {
@@ -1374,7 +1321,9 @@ async fn bulk_confirm_invite(
    match data.keys {
        Some(keys) => {
            for invite in keys {
-                let member_id = invite.id.unwrap();
+                let Some(member_id) = invite.id else {
+                    err!("Member id is required")
+                };
                let user_key = invite.key.unwrap_or_default();
                let err_msg = match confirm_invite_impl(&org_id, &member_id, &user_key, &headers, &conn, &nt).await {
                    Ok(()) => String::new(),
@@ -1532,17 +1481,6 @@ struct EditUserData {
 }

 #[put("/organizations/<org_id>/users/<member_id>", data = "<data>", rank = 1)]
-async fn put_member(
-    org_id: OrganizationId,
-    member_id: MembershipId,
-    data: Json<EditUserData>,
-    headers: AdminHeaders,
-    conn: DbConn,
-) -> EmptyResult {
-    edit_member(org_id, member_id, data, headers, conn).await
-}
-
-#[post("/organizations/<org_id>/users/<member_id>", data = "<data>", rank = 1)]
 async fn edit_member(
    org_id: OrganizationId,
    member_id: MembershipId,
@@ -1922,7 +1860,7 @@ async fn post_org_import(
 #[serde(rename_all = "camelCase")]
 struct BulkCollectionsData {
    organization_id: OrganizationId,
-    cipher_ids: Vec<CipherId>,
+    cipher_ids: HashSet<CipherId>,
    collection_ids: HashSet<CollectionId>,
    remove_collections: bool,
 }
@@ -2201,18 +2139,6 @@ async fn put_policy(
    Ok(Json(policy.to_json()))
 }

-// Deprecated with client v2026.5.0
-#[put("/organizations/<org_id>/policies/<pol_type>/vnext", data = "<data>")]
-async fn put_policy_vnext(
-    org_id: OrganizationId,
-    pol_type: i32,
-    data: Json<PutPolicy>,
-    headers: AdminHeaders,
-    conn: DbConn,
-) -> JsonResult {
-    put_policy(org_id, pol_type, data, headers, conn).await
-}
-
 #[get("/plans")]
 fn get_plans() -> Json<Value> {
    // Respond with a minimal json just enough to allow the creation of an new organization.
@@ -2241,12 +2167,6 @@ fn get_plans() -> Json<Value> {
    }))
 }

-#[get("/organizations/<_org_id>/billing/metadata")]
-fn get_billing_metadata(_org_id: OrganizationId, _headers: OrgMemberHeaders) -> Json<Value> {
-    // Prevent a 404 error, which also causes Javascript errors.
-    Json(empty_data_json())
-}
-
 #[get("/organizations/<_org_id>/billing/vnext/warnings")]
 fn get_billing_warnings(_org_id: OrganizationId, _headers: OrgMemberHeaders) -> Json<Value> {
    Json(json!({
@@ -2266,14 +2186,6 @@ fn get_self_host_billing_metadata(_org_id: OrganizationId, _headers: OrgMemberHe
    }))
 }

-fn empty_data_json() -> Value {
-    json!({
-        "object": "list",
-        "data": [],
-        "continuationToken": null
-    })
-}
-
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 struct BulkRevokeMembershipIds {
@@ -2592,17 +2504,6 @@ impl CollectionData {
    }
 }

-#[post("/organizations/<org_id>/groups/<group_id>", data = "<data>")]
-async fn post_group(
-    org_id: OrganizationId,
-    group_id: GroupId,
-    data: Json<GroupRequest>,
-    headers: AdminHeaders,
-    conn: DbConn,
-) -> JsonResult {
-    put_group(org_id, group_id, data, headers, conn).await
-}
-
 #[post("/organizations/<org_id>/groups", data = "<data>")]
 async fn post_groups(
    org_id: OrganizationId,
@@ -2712,7 +2613,6 @@ async fn add_update_group(
        "id": group.uuid,
        "organizationId": group.organizations_uuid,
        "name": group.name,
-        "accessAll": group.access_all,
        "externalId": group.external_id,
        "object": "group"
    })))
@@ -2739,16 +2639,6 @@ async fn get_group_details(
    Ok(Json(group.to_json_details(&conn).await))
 }

-#[post("/organizations/<org_id>/groups/<group_id>/delete")]
-async fn post_delete_group(
-    org_id: OrganizationId,
-    group_id: GroupId,
-    headers: AdminHeaders,
-    conn: DbConn,
-) -> EmptyResult {
-    delete_group_impl(&org_id, &group_id, &headers, &conn).await
-}
-
 #[delete("/organizations/<org_id>/groups/<group_id>")]
 async fn delete_group(org_id: OrganizationId, group_id: GroupId, headers: AdminHeaders, conn: DbConn) -> EmptyResult {
    delete_group_impl(&org_id, &group_id, &headers, &conn).await
@@ -2850,90 +2740,6 @@ async fn get_group_members(
    Ok(Json(json!(group_members)))
 }

-#[put("/organizations/<org_id>/groups/<group_id>/users", data = "<data>")]
-async fn put_group_members(
-    org_id: OrganizationId,
-    group_id: GroupId,
-    headers: AdminHeaders,
-    data: Json<Vec<MembershipId>>,
-    conn: DbConn,
-) -> EmptyResult {
-    if org_id != headers.org_id {
-        err!("Organization not found", "Organization id's do not match");
-    }
-    if !CONFIG.org_groups_enabled() {
-        err!("Group support is disabled");
-    }
-
-    if Group::find_by_uuid_and_org(&group_id, &org_id, &conn).await.is_none() {
-        err!("Group could not be found!", "Group uuid is invalid or does not belong to the organization")
-    }
-
-    let assigned_members = data.into_inner();
-
-    let org_memberships = Membership::find_by_org(&org_id, &conn).await;
-    let org_membership_ids: HashSet<&MembershipId> = org_memberships.iter().map(|m| &m.uuid).collect();
-    if let Some(e) = assigned_members.iter().find(|m| !org_membership_ids.contains(m)) {
-        err!("Invalid member", format!("Member {} does not belong to organization {}!", e, org_id))
-    }
-
-    GroupUser::delete_all_by_group(&group_id, &org_id, &conn).await?;
-    for assigned_member in assigned_members {
-        let mut user_entry = GroupUser::new(group_id.clone(), assigned_member.clone());
-        user_entry.save(&conn).await?;
-
-        log_event(
-            EventType::OrganizationUserUpdatedGroups,
-            &assigned_member,
-            &org_id,
-            &headers.user.uuid,
-            headers.device.atype,
-            &headers.ip.ip,
-            &conn,
-        )
-        .await;
-    }
-
-    Ok(())
-}
-
-#[post("/organizations/<org_id>/groups/<group_id>/delete-user/<member_id>")]
-async fn post_delete_group_member(
-    org_id: OrganizationId,
-    group_id: GroupId,
-    member_id: MembershipId,
-    headers: AdminHeaders,
-    conn: DbConn,
-) -> EmptyResult {
-    if org_id != headers.org_id {
-        err!("Organization not found", "Organization id's do not match");
-    }
-    if !CONFIG.org_groups_enabled() {
-        err!("Group support is disabled");
-    }
-
-    if Membership::find_by_uuid_and_org(&member_id, &org_id, &conn).await.is_none() {
-        err!("User could not be found or does not belong to the organization.");
-    }
-
-    if Group::find_by_uuid_and_org(&group_id, &org_id, &conn).await.is_none() {
-        err!("Group could not be found or does not belong to the organization.");
-    }
-
-    log_event(
-        EventType::OrganizationUserUpdatedGroups,
-        &member_id,
-        &org_id,
-        &headers.user.uuid,
-        headers.device.atype,
-        &headers.ip.ip,
-        &conn,
-    )
-    .await;
-
-    GroupUser::delete_by_group_and_member(&group_id, &member_id, &conn).await
-}
-
 #[derive(Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct OrganizationUserResetPasswordEnrollmentRequest {
@@ -2993,19 +2799,6 @@ async fn put_recover_account(
    recover_account(org_id, member_id, headers, data.into_inner(), conn, nt).await
 }

-// Deprecated since `v2026.4.2`
-#[put("/organizations/<org_id>/users/<member_id>/reset-password", data = "<data>")]
-async fn put_reset_password(
-    org_id: OrganizationId,
-    member_id: MembershipId,
-    headers: AdminHeaders,
-    data: Json<OrganizationUserRecoverAccountRequest>,
-    conn: DbConn,
-    nt: Notify<'_>,
-) -> EmptyResult {
-    recover_account(org_id, member_id, headers, data.into_inner(), conn, nt).await
-}
-
 async fn recover_account(
    org_id: OrganizationId,
    member_id: MembershipId,
@@ -3038,11 +2831,12 @@ async fn recover_account(
        err!("Organization user must be confirmed for password reset functionality");
    }

-    let fallback_2fa_email = if req.reset_two_factor && CONFIG.email_2fa_auto_fallback() {
-        TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email as i32, &conn).await.is_none()
-    } else {
-        false
-    };
+    let fallback_2fa_email =
+        if req.reset_two_factor && CONFIG.mail_enabled() && CONFIG.email_2fa_auto_fallback() && user.verified() {
+            TwoFactor::find_by_user_and_type(&user.uuid, TwoFactorType::Email as i32, &conn).await.is_none()
+        } else {
+            false
+        };

    // Sending email first ensure working email configuration and the resulting user notification.
    // Also this might add some protection against security flaws and misuse
@@ -3071,6 +2865,7 @@ async fn recover_account(

    if req.reset_two_factor {
        TwoFactor::delete_all_by_user(&user.uuid, &conn).await?;
+        Device::clear_twofactor_remember_by_user(&user.uuid, &conn).await?;
        if !fallback_2fa_email || two_factor::email::find_and_activate_email_2fa(&user.uuid, &conn).await.is_err() {
            two_factor::enforce_2fa_policy(&user, &headers.user.uuid, headers.device.atype, &headers.ip.ip, &conn)
                .await?;
@@ -3239,7 +3034,7 @@ async fn api_key(
    org_id: &OrganizationId,
    data: Json<PasswordOrOtpData>,
    rotate: bool,
-    headers: AdminHeaders,
+    headers: OwnerHeaders,
    conn: DbConn,
 ) -> JsonResult {
    if org_id != &headers.org_id {
@@ -3248,7 +3043,7 @@ async fn api_key(
    let data: PasswordOrOtpData = data.into_inner();
    let user = headers.user;

-    // Validate the admin users password/otp
+    // Validate the owner users password/otp
    data.validate(&user, true, &conn).await?;

    let org_api_key = if let Some(mut org_api_key) = OrganizationApiKey::find_by_org_uuid(org_id, &conn).await {
@@ -3276,7 +3071,7 @@ async fn api_key(
 async fn post_api_key(
    org_id: OrganizationId,
    data: Json<PasswordOrOtpData>,
-    headers: AdminHeaders,
+    headers: OwnerHeaders,
    conn: DbConn,
 ) -> JsonResult {
    api_key(&org_id, data, false, headers, conn).await
@@ -3286,7 +3081,7 @@ async fn post_api_key(
 async fn rotate_api_key(
    org_id: OrganizationId,
    data: Json<PasswordOrOtpData>,
-    headers: AdminHeaders,
+    headers: OwnerHeaders,
    conn: DbConn,
 ) -> JsonResult {
    api_key(&org_id, data, true, headers, conn).await
@@ -58,25 +58,13 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn
    let org_id = token.0;
    let data = data.into_inner();

+    // Like upstream, the import never removes Owners, so it doesn't revoke or restore them either.
    for user_data in &data.members {
        let mut user_created: bool = false;
        if user_data.deleted {
            // If user is marked for deletion and it exists, revoke it
            if let Some(mut member) = Membership::find_by_email_and_org(&user_data.email, &org_id, &conn).await {
-                // Only revoke a user if it is not the last confirmed owner
-                let revoked = if member.atype == MembershipType::Owner
-                    && member.status == MembershipStatus::Confirmed as i32
-                {
-                    if Membership::count_confirmed_by_org_and_type(&org_id, MembershipType::Owner, &conn).await <= 1 {
-                        warn!("Can't revoke the last owner");
-                        false
-                    } else {
-                        member.revoke()
-                    }
-                } else {
-                    member.revoke()
-                };
-
+                let revoked = member.atype != MembershipType::Owner && member.revoke();
                let ext_modified = member.set_external_id(Some(user_data.external_id.clone()));
                if revoked || ext_modified {
                    member.save(&conn).await?;
@@ -84,7 +72,7 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn
            }
        // If user is part of the organization, restore it
        } else if let Some(mut member) = Membership::find_by_email_and_org(&user_data.email, &org_id, &conn).await {
-            let mut restored = member.restore();
+            let mut restored = member.atype != MembershipType::Owner && member.restore();
            let ext_modified = member.set_external_id(Some(user_data.external_id.clone()));
            // Enforce org policies as every other restore path does.
            // If the user is not allowed, we revoke again and continue so the external_id is still updated.
@@ -180,14 +168,8 @@ async fn ldap_import(data: Json<OrgImportData>, token: PublicToken, conn: DbConn
        for member in Membership::find_by_org(&org_id, &conn).await {
            if let Some(ref user_external_id) = member.external_id
                && !sync_members.contains(user_external_id)
+                && member.atype != MembershipType::Owner
            {
-                if member.atype == MembershipType::Owner && member.status == MembershipStatus::Confirmed as i32 {
-                    // Removing owner, check that there is at least one other confirmed owner
-                    if Membership::count_confirmed_by_org_and_type(&org_id, MembershipType::Owner, &conn).await <= 1 {
-                        warn!("Can't delete the last owner");
-                        continue;
-                    }
-                }
                member.delete(&conn).await?;
            }
        }
@@ -12,7 +12,7 @@ use serde_json::Value;
 use crate::{
    CONFIG,
    api::{ApiResult, EmptyResult, JsonResult, Notify, UpdateType},
-    auth::{ClientIp, Headers, Host, SendHeaders},
+    auth::{Headers, Host, SendHeaders},
    config::PathType,
    db::{
        DbConn, DbPool,
@@ -23,7 +23,7 @@ use crate::{

 const SEND_INACCESSIBLE_MSG: &str = "Send does not exist or is no longer available";
 static ANON_PUSH_DEVICE: LazyLock<Device> = LazyLock::new(|| {
-    let dt = crate::util::parse_date("1970-01-01T00:00:00.000000Z");
+    let dt = DateTime::UNIX_EPOCH.naive_utc();
    Device {
        uuid: String::from("00000000-0000-0000-0000-000000000000").into(),
        created_at: dt,
@@ -39,18 +39,15 @@ static ANON_PUSH_DEVICE: LazyLock<Device> = LazyLock::new(|| {
 });

 // The max file size allowed by Bitwarden clients and add an extra 5% to avoid issues
-const SIZE_525_MB: i64 = 550_502_400;
+pub(crate) const SIZE_525_MB: i64 = 550_502_400;

 pub fn routes() -> Vec<rocket::Route> {
    routes![
        get_sends,
        get_send,
        post_send,
-        post_send_file,
        post_access,
-        post_access_legacy,
        post_access_file,
-        post_access_file_legacy,
        put_send,
        delete_send,
        put_remove_password,
@@ -73,7 +70,7 @@ pub async fn purge_sends(pool: DbPool) {
 #[serde(rename_all = "camelCase")]
 pub struct SendData {
    r#type: i32,
-    key: String,
+    pub key: String,
    password: Option<String>,
    max_access_count: Option<NumberOrString>,
    expiration_date: Option<DateTime<Utc>>,
@@ -201,7 +198,7 @@ async fn post_send(data: Json<SendData>, headers: Headers, conn: DbConn, nt: Not
    enforce_disable_hide_email_policy(&data, &headers, &conn).await?;

    if data.r#type == SendType::File as i32 {
-        err!("File sends should use /api/sends/file")
+        err!("File sends should use /api/sends/file/v2")
    }

    let mut send = create_send(data, headers.user.uuid)?;
@@ -218,93 +215,11 @@ async fn post_send(data: Json<SendData>, headers: Headers, conn: DbConn, nt: Not
    Ok(Json(send.to_json()))
 }

-#[derive(FromForm)]
-struct UploadData<'f> {
-    model: Json<SendData>,
-    data: TempFile<'f>,
-}
-
 #[derive(FromForm)]
 struct UploadDataV2<'f> {
    data: TempFile<'f>,
 }

-// @deprecated Mar 25 2021: This method has been deprecated in favor of direct uploads (v2).
-// This method still exists to support older clients, probably need to remove it sometime.
-// Upstream: https://github.com/bitwarden/server/blob/d0c793c95181dfb1b447eb450f85ba0bfd7ef643/src/Api/Controllers/SendsController.cs#L164-L167
-// 2025: This endpoint doesn't seem to exists anymore in the latest version
-// See: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/Tools/Controllers/SendsController.cs
-#[post("/sends/file", format = "multipart/form-data", data = "<data>")]
-async fn post_send_file(data: Form<UploadData<'_>>, headers: Headers, conn: DbConn, nt: Notify<'_>) -> JsonResult {
-    enforce_disable_send_policy(&headers, &conn).await?;
-
-    let UploadData {
-        model,
-        data,
-    } = data.into_inner();
-    let model = model.into_inner();
-
-    let Some(size) = data.len().to_i64() else {
-        err!("Invalid send size");
-    };
-    if size < 0 {
-        err!("Send size can't be negative")
-    }
-
-    enforce_disable_hide_email_policy(&model, &headers, &conn).await?;
-
-    let size_limit = match CONFIG.user_send_limit() {
-        Some(0) => err!("File uploads are disabled"),
-        Some(limit_kb) => {
-            let Some(already_used) = Send::size_by_user(&headers.user.uuid, &conn).await else {
-                err!("Existing sends overflow")
-            };
-            let Some(left) = limit_kb.checked_mul(1024).and_then(|l| l.checked_sub(already_used)) else {
-                err!("Send size overflow");
-            };
-            if left <= 0 {
-                err!("Send storage limit reached! Delete some sends to free up space")
-            }
-            i64::clamp(left, 0, SIZE_525_MB)
-        }
-        None => SIZE_525_MB,
-    };
-
-    if size > size_limit {
-        err!("Send storage limit exceeded with this file");
-    }
-
-    let mut send = create_send(model, headers.user.uuid)?;
-    if send.atype != SendType::File as i32 {
-        err!("Send content is not a file");
-    }
-
-    let file_id = crate::crypto::generate_send_file_id();
-
-    save_temp_file(&PathType::Sends, &format!("{}/{file_id}", send.uuid), data, true).await?;
-
-    let mut data_value: Value = serde_json::from_str(&send.data)?;
-    if let Some(o) = data_value.as_object_mut() {
-        o.insert(String::from("id"), Value::String(file_id));
-        o.insert(String::from("size"), Value::Number(size.into()));
-        o.insert(String::from("sizeName"), Value::String(crate::util::get_display_size(size)));
-    }
-    send.data = serde_json::to_string(&data_value)?;
-
-    // Save the changes in the database
-    send.save(&conn).await?;
-    nt.send_send_update(
-        UpdateType::SyncSendCreate,
-        &send,
-        &send.update_users_revision(&conn).await,
-        &headers.device,
-        &conn,
-    )
-    .await;
-
-    Ok(Json(send.to_json()))
-}
-
 // Upstream: https://github.com/bitwarden/server/blob/9ebe16587175b1c0e9208f84397bb75d0d595510/src/Api/Tools/Controllers/SendsController.cs#L165
 #[post("/sends/file/v2", data = "<data>")]
 async fn post_send_file_v2(data: Json<SendData>, headers: Headers, conn: DbConn) -> JsonResult {
@@ -413,8 +328,8 @@ async fn post_send_file_v2_data(
            "Send file name does not match.",
            format!(
                "Expected file name '{}' got '{}'",
-                send_data.fileName,
-                raw_file_name.dangerous_unsafe_unsanitized_raw()
+                send_data.fileName.escape_debug(),
+                raw_file_name.dangerous_unsafe_unsanitized_raw().as_str().escape_debug()
            )
        ),
        _ => err!("Send file name does not match or is not provided."),
@@ -450,63 +365,16 @@ async fn post_send_file_v2_data(

 #[post("/sends/access")]
 async fn post_access(headers: SendHeaders, conn: DbConn, nt: Notify<'_>) -> JsonResult {
-    let Some(send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
+    let Some(mut send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    };
    if !send.is_accessible() {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
-    process_access(send, conn, nt).await
-}
-
-#[derive(Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct SendAccessData {
-    pub password: Option<String>,
-}
-
-// Legacy since web-2026.6.0
-#[post("/sends/access/<access_id>", data = "<data>")]
-async fn post_access_legacy(
-    access_id: &str,
-    data: Json<SendAccessData>,
-    conn: DbConn,
-    ip: ClientIp,
-    nt: Notify<'_>,
-) -> JsonResult {
-    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;
-
-    let Some(mut send) = Send::find_by_access_id(access_id, &conn).await else {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
-    };
-
-    if let Some(max_access_count) = send.max_access_count
-        && send.access_count >= max_access_count
-    {
-        err_code!(SEND_INACCESSIBLE_MSG, 404);
-    }
-
-    if !send.is_accessible() {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
-    }
-
-    if send.password_hash.is_some() {
-        match data.into_inner().password {
-            Some(ref p) if send.check_password(p) => { /* Nothing to do here */ }
-            Some(_) => err!("Invalid password", format!("IP: {}.", ip.ip)),
-            None => err_code!("Password not provided", format!("IP: {}.", ip.ip), 401),
-        }
-    }
-
    // Files are incremented during the download
-    if send.atype == SendType::Text as i32 {
-        if !send.register_access(&conn).await? {
-            err_code!(SEND_INACCESSIBLE_MSG, 404)
-        }
-    } else {
-        send.save(&conn).await?;
+    if send.atype == SendType::Text as i32 && !send.register_access(&conn).await? {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
-
    process_access(send, conn, nt).await
 }

@@ -531,55 +399,27 @@ async fn post_access_file(
    conn: DbConn,
    nt: Notify<'_>,
 ) -> JsonResult {
-    let Some(send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
+    let Some(mut send) = Send::find_by_uuid(&headers.send_id, &conn).await else {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    };
    if !send.is_accessible() {
        err_code!(SEND_INACCESSIBLE_MSG, 404)
    }
+    check_send_file_id(&send, &file_id)?;
+    if !send.register_access(&conn).await? {
+        err_code!(SEND_INACCESSIBLE_MSG, 404)
+    }
    process_access_file(send, file_id, host, conn, nt).await
 }

-// Legacy since web-2026.6.0
-#[post("/sends/<send_id>/access/file/<file_id>", data = "<data>")]
-async fn post_access_file_legacy(
-    send_id: SendId,
-    file_id: SendFileId,
-    data: Json<SendAccessData>,
-    host: Host,
-    conn: DbConn,
-    ip: ClientIp,
-    nt: Notify<'_>,
-) -> JsonResult {
-    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;
-
-    let Some(mut send) = Send::find_by_uuid(&send_id, &conn).await else {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
-    };
-
-    if let Some(max_access_count) = send.max_access_count
-        && send.access_count >= max_access_count
-    {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
+fn check_send_file_id(send: &Send, file_id: &SendFileId) -> EmptyResult {
+    if send.atype != SendType::File as i32 {
+        err!("Send is not a file type send.");
    }
-
-    if !send.is_accessible() {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
+    match serde_json::from_str::<SendFileData>(&send.data) {
+        Ok(data) if &data.id == file_id => Ok(()),
+        _ => err_code!(SEND_INACCESSIBLE_MSG, 404),
    }
-
-    if send.password_hash.is_some() {
-        match data.into_inner().password {
-            Some(ref p) if send.check_password(p) => { /* Nothing to do here */ }
-            Some(_) => err!("Invalid password."),
-            None => err_code!("Password not provided", 401),
-        }
-    }
-
-    if !send.register_access(&conn).await? {
-        err_code!(SEND_INACCESSIBLE_MSG, 404)
-    }
-
-    process_access_file(send, file_id, host, conn, nt).await
 }

 async fn process_access_file(send: Send, file_id: SendFileId, host: Host, conn: DbConn, nt: Notify<'_>) -> JsonResult {
@@ -642,7 +482,7 @@ async fn put_send(send_id: SendId, data: Json<SendData>, headers: Headers, conn:
    Ok(Json(send.to_json()))
 }

-pub async fn update_send_from_data(
+async fn update_send_from_data(
    send: &mut Send,
    data: SendData,
    headers: &Headers,
@@ -7,7 +7,7 @@ use crate::{
    crypto,
    db::{
        DbConn,
-        models::{EventType, TwoFactor, TwoFactorType, UserId},
+        models::{Device, EventType, TwoFactor, TwoFactorType, UserId},
    },
    util::NumberOrString,
 };
@@ -200,6 +200,7 @@ async fn disable_authenticator(data: Json<DisableAuthenticatorData>, headers: He
    if let Some(twofactor) = TwoFactor::find_by_user_and_type(&user.uuid, type_, &conn).await {
        if twofactor.data == data.key {
            twofactor.delete(&conn).await?;
+            Device::clear_twofactor_remember_by_user(&user.uuid, &conn).await?;
            log_user_event(EventType::UserDisabled2fa as i32, &user.uuid, headers.device.atype, &headers.ip.ip, &conn)
                .await;
        } else {
@@ -1,5 +1,4 @@
 use chrono::Utc;
-use data_encoding::BASE64;
 use rocket::{Route, serde::json::Json};

 use crate::{
@@ -222,13 +221,6 @@ async fn duo_api_request(method: &str, path: &str, params: &str, data: &DuoData)
    Ok(())
 }

-const DUO_EXPIRE: i64 = 300;
-const APP_EXPIRE: i64 = 3600;
-
-const AUTH_PREFIX: &str = "AUTH";
-const DUO_PREFIX: &str = "TX";
-const APP_PREFIX: &str = "APP";
-
 async fn get_user_duo_data(user_id: &UserId, conn: &DbConn) -> DuoStatus {
    let type_ = TwoFactorType::Duo as i32;

@@ -251,118 +243,13 @@ async fn get_user_duo_data(user_id: &UserId, conn: &DbConn) -> DuoStatus {
    DuoStatus::Disabled(false)
 }

-// let (ik, sk, ak, host) = get_duo_keys();
-pub(crate) async fn get_duo_keys_email(email: &str, conn: &DbConn) -> ApiResult<(String, String, String, String)> {
+// let (ik, sk, host) = get_duo_keys_email();
+pub(crate) async fn get_duo_keys_email(email: &str, conn: &DbConn) -> ApiResult<(String, String, String)> {
    let data = match User::find_by_mail(email, conn).await {
        Some(u) => get_user_duo_data(&u.uuid, conn).await.data(),
        _ => DuoData::global(),
    }
    .map_res("Can't fetch Duo Keys")?;

-    Ok((data.ik, data.sk, CONFIG.get_duo_akey().await, data.host))
-}
-
-pub async fn generate_duo_signature(email: &str, conn: &DbConn) -> ApiResult<(String, String)> {
-    let now = Utc::now().timestamp();
-
-    let (ik, sk, ak, host) = get_duo_keys_email(email, conn).await?;
-
-    let duo_sign = sign_duo_values(&sk, email, &ik, DUO_PREFIX, now + DUO_EXPIRE);
-    let app_sign = sign_duo_values(&ak, email, &ik, APP_PREFIX, now + APP_EXPIRE);
-
-    Ok((format!("{duo_sign}:{app_sign}"), host))
-}
-
-fn sign_duo_values(key: &str, email: &str, ikey: &str, prefix: &str, expire: i64) -> String {
-    let val = format!("{email}|{ikey}|{expire}");
-    let cookie = format!("{prefix}|{}", BASE64.encode(val.as_bytes()));
-
-    format!("{cookie}|{}", crypto::hmac_sign(key, &cookie))
-}
-
-pub async fn validate_duo_login(email: &str, response: &str, conn: &DbConn) -> EmptyResult {
-    let split: Vec<&str> = response.split(':').collect();
-    if split.len() != 2 {
-        err!(
-            "Invalid response length",
-            ErrorEvent {
-                event: EventType::UserFailedLogIn2fa
-            }
-        );
-    }
-
-    let auth_sig = split[0];
-    let app_sig = split[1];
-
-    let now = Utc::now().timestamp();
-
-    let (ik, sk, ak, _host) = get_duo_keys_email(email, conn).await?;
-
-    let auth_user = parse_duo_values(&sk, auth_sig, &ik, AUTH_PREFIX, now)?;
-    let app_user = parse_duo_values(&ak, app_sig, &ik, APP_PREFIX, now)?;
-
-    if !crypto::ct_eq(&auth_user, app_user) || !crypto::ct_eq(&auth_user, email) {
-        err!(
-            "Error validating duo authentication",
-            ErrorEvent {
-                event: EventType::UserFailedLogIn2fa
-            }
-        )
-    }
-
-    Ok(())
-}
-
-fn parse_duo_values(key: &str, val: &str, ikey: &str, prefix: &str, time: i64) -> ApiResult<String> {
-    let split: Vec<&str> = val.split('|').collect();
-    if split.len() != 3 {
-        err!("Invalid value length")
-    }
-
-    let u_prefix = split[0];
-    let u_b64 = split[1];
-    let u_sig = split[2];
-
-    let sig = crypto::hmac_sign(key, &format!("{u_prefix}|{u_b64}"));
-
-    if !crypto::ct_eq(crypto::hmac_sign(key, &sig), crypto::hmac_sign(key, u_sig)) {
-        err!("Duo signatures don't match")
-    }
-
-    if u_prefix != prefix {
-        err!("Prefixes don't match")
-    }
-
-    let Ok(cookie_vec) = BASE64.decode(u_b64.as_bytes()) else {
-        err!("Invalid Duo cookie encoding")
-    };
-
-    let Ok(cookie) = String::from_utf8(cookie_vec) else {
-        err!("Invalid Duo cookie encoding")
-    };
-
-    let cookie_split: Vec<&str> = cookie.split('|').collect();
-    if cookie_split.len() != 3 {
-        err!("Invalid cookie length")
-    }
-
-    let username = cookie_split[0];
-    let u_ikey = cookie_split[1];
-    let expire = cookie_split[2];
-
-    if !crypto::ct_eq(ikey, u_ikey) {
-        err!("Invalid ikey")
-    }
-
-    let expire: i64 = if let Ok(e) = expire.parse() {
-        e
-    } else {
-        err!("Invalid expire time")
-    };
-
-    if time >= expire {
-        err!("Expired authorization")
-    }
-
-    Ok(username.into())
+    Ok((data.ik, data.sk, data.host))
 }
@@ -383,7 +383,7 @@ pub async fn get_duo_auth_url(
    device_identifier: &DeviceId,
    conn: &DbConn,
 ) -> Result<String, Error> {
-    let (ik, sk, _, host) = get_duo_keys_email(email, conn).await?;
+    let (ik, sk, host) = get_duo_keys_email(email, conn).await?;

    let callback_url = match make_callback_url(client_id) {
        Ok(url) => url,
@@ -435,7 +435,7 @@ pub async fn validate_duo_login(
    let code = split[0];
    let state = split[1];

-    let (ik, sk, _, host) = get_duo_keys_email(email, conn).await?;
+    let (ik, sk, host) = get_duo_keys_email(email, conn).await?;

    // Get the context by the state reported by the client. If we don't have one,
    // it means the context is either missing or expired.
@@ -65,7 +65,7 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client
        let Some(user) = User::find_by_mail(email, &conn).await else {
            err!(
                "Username or password is incorrect. Try again",
-                format!("IP: {}. Username: {email}.", client_headers.ip.ip)
+                format!("IP: {}. Username: {}.", client_headers.ip.ip, email.escape_debug())
            )
        };

@@ -74,7 +74,7 @@ async fn send_email_login(data: Json<SendEmailLoginData>, client_headers: Client
            if !user.check_valid_password(master_password_hash) {
                err!(
                    "Username or password is incorrect. Try again",
-                    format!("IP: {}. Username: {email}.", client_headers.ip.ip)
+                    format!("IP: {}. Username: {}.", client_headers.ip.ip, email.escape_debug())
                )
            }
        } else if let Some(auth_request_id) = auth_request_id {
@@ -188,7 +188,7 @@ async fn send_email(data: Json<SendEmailData>, headers: Headers, conn: DbConn) -
    }

    let generated_token = crypto::generate_email_token(CONFIG.email_token_size());
-    let twofactor_data = EmailTokenData::new(data.email, generated_token);
+    let twofactor_data = EmailTokenData::new(data.email, Some(generated_token));

    // Uses EmailVerificationChallenge as type to show that it's not verified yet.
    let twofactor = TwoFactor::new(user.uuid, TwoFactorType::EmailVerificationChallenge, twofactor_data.to_json());
@@ -322,10 +322,10 @@ pub struct EmailTokenData {
 }

 impl EmailTokenData {
-    pub fn new(email: String, token: String) -> EmailTokenData {
+    pub fn new(email: String, token: Option<String>) -> EmailTokenData {
        EmailTokenData {
            email,
-            last_token: Some(token),
+            last_token: token,
            token_sent: Utc::now().timestamp(),
            attempts: 0,
        }
@@ -363,7 +363,8 @@ pub async fn activate_email_2fa(user: &User, conn: &DbConn) -> EmptyResult {
    if user.verified_at.is_none() {
        err!("Auto-enabling of email 2FA failed because the users email address has not been verified!");
    }
-    let twofactor_data = EmailTokenData::new(user.email.clone(), String::new());
+    // The token is set when the first code is sent
+    let twofactor_data = EmailTokenData::new(user.email.clone(), None);
    let twofactor = TwoFactor::new(user.uuid.clone(), TwoFactorType::Email, twofactor_data.to_json());
    twofactor.save(conn).await
 }
@@ -69,13 +69,7 @@ pub fn is_twofactor_provider_usable(provider_type: &TwoFactorType, provider_data
 }

 pub fn routes() -> Vec<Route> {
-    let mut routes = routes![
-        get_twofactor,
-        get_recover,
-        disable_twofactor,
-        disable_twofactor_put,
-        get_device_verification_settings,
-    ];
+    let mut routes = routes![get_twofactor, get_recover, disable_twofactor, get_device_verification_settings];

    routes.append(&mut authenticator::routes());
    routes.append(&mut duo::routes());
@@ -134,7 +128,7 @@ struct DisableTwoFactorData {
    r#type: NumberOrString,
 }

-#[post("/two-factor/disable", data = "<data>")]
+#[put("/two-factor/disable", data = "<data>")]
 async fn disable_twofactor(data: Json<DisableTwoFactorData>, headers: Headers, conn: DbConn) -> JsonResult {
    let data: DisableTwoFactorData = data.into_inner();
    let user = headers.user;
@@ -167,11 +161,6 @@ async fn disable_twofactor(data: Json<DisableTwoFactorData>, headers: Headers, c
    })))
 }

-#[put("/two-factor/disable", data = "<data>")]
-async fn disable_twofactor_put(data: Json<DisableTwoFactorData>, headers: Headers, conn: DbConn) -> JsonResult {
-    disable_twofactor(data, headers, conn).await
-}
-
 pub async fn enforce_2fa_policy(
    user: &User,
    act_user_id: &UserId,
@@ -24,7 +24,7 @@ use crate::{
    crypto::ct_eq,
    db::{
        DbConn,
-        models::{EventType, TwoFactor, TwoFactorType, UserId},
+        models::{Device, EventType, TwoFactor, TwoFactorType, UserId},
    },
    error::Error,
    util::NumberOrString,
@@ -338,6 +338,7 @@ async fn delete_webauthn(data: Json<DeleteU2FData>, headers: Headers, conn: DbCo
    tf.data = serde_json::to_string(&data)?;
    tf.save(&conn).await?;
    drop(tf);
+    Device::clear_twofactor_remember_by_user(&headers.user.uuid, &conn).await?;

    // If entry is migrated from u2f, delete the u2f entry as well
    if let Some(mut u2f) = TwoFactor::find_by_user_and_type(&headers.user.uuid, TwoFactorType::U2f as i32, &conn).await
@@ -217,7 +217,9 @@ pub async fn validate_yubikey_login(response: &str, twofactor_data: &str) -> Emp
    }

    let yubikey_metadata: YubikeyMetadata = serde_json::from_str(twofactor_data).expect("Can't parse Yubikey Metadata");
-    let response_id = &response[..12];
+    let Some(response_id) = response.get(..12) else {
+        err!("Invalid Yubikey OTP");
+    };

    if !yubikey_metadata.keys.contains(&response_id.to_owned()) {
        err!("Given Yubikey is not registered");
@@ -85,7 +85,7 @@ static ICON_SIZE_REGEX: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"(?x)(\d+
 #[get("/<host>/icon.png")]
 fn icon_external(host: &str) -> Cached<Option<Redirect>> {
    let Ok(host) = get_valid_host(host) else {
-        warn!("Invalid host: {host}");
+        warn!("Invalid host: {}", host.escape_debug());
        return Cached::ttl(None, CONFIG.icon_cache_negttl(), true);
    };

@@ -113,7 +113,7 @@ async fn icon_internal(host: &str) -> Cached<(ContentType, Vec<u8>)> {
    const FALLBACK_ICON: &[u8] = include_bytes!("../static/images/fallback-icon.png");

    let Ok(host) = get_valid_host(host) else {
-        warn!("Invalid host: {host}");
+        warn!("Invalid host: {}", host.escape_debug());
        return Cached::ttl(
            (ContentType::new("image", "png"), FALLBACK_ICON.to_vec()),
            CONFIG.icon_cache_negttl(),
@@ -17,15 +17,14 @@ use crate::{
            accounts::{PreloginData, RegisterData, kdf_upgrade, prelogin, register},
            log_user_event,
            two_factor::{
-                authenticator, duo, duo_oidc, email, enforce_2fa_policy, is_twofactor_provider_usable, webauthn,
-                yubikey,
+                authenticator, duo_oidc, email, enforce_2fa_policy, is_twofactor_provider_usable, webauthn, yubikey,
            },
        },
-        master_password_policy,
+        identity_master_password_policy,
        push::register_push_device,
    },
    auth,
-    auth::{AuthMethod, ClientHeaders, ClientIp, ClientVersion, Secure, generate_organization_api_key_login_claims},
+    auth::{AuthMethod, ClientHeaders, ClientIp, Secure, generate_organization_api_key_login_claims},
    crypto,
    db::{
        DbConn,
@@ -46,7 +45,6 @@ pub fn routes() -> Vec<Route> {
        login,
        post_prelogin,
        prelogin_password,
-        identity_register,
        register_verification_email,
        register_finish,
        prevalidate,
@@ -57,12 +55,7 @@ pub fn routes() -> Vec<Route> {
 }

 #[post("/connect/token", data = "<data>")]
-async fn login(
-    data: Form<ConnectData>,
-    client_header: ClientHeaders,
-    client_version: Option<ClientVersion>,
-    conn: DbConn,
-) -> JsonResult {
+async fn login(data: Form<ConnectData>, client_header: ClientHeaders, conn: DbConn) -> JsonResult {
    let data: ConnectData = data.into_inner();

    let mut user_id: Option<UserId> = None;
@@ -83,17 +76,13 @@ async fn login(
            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;

-            password_login(data, &mut user_id, &conn, &client_header.ip, client_version.as_ref()).await
+            password_login(data, &mut user_id, &conn, &client_header.ip).await
        }
        "client_credentials" => {
            check_is_some(data.client_id.as_ref(), "client_id cannot be blank")?;
            check_is_some(data.client_secret.as_ref(), "client_secret cannot be blank")?;
            check_is_some(data.scope.as_ref(), "scope cannot be blank")?;

-            check_is_some(data.device_identifier.as_ref(), "device_identifier cannot be blank")?;
-            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
-            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;
-
            api_key_login(data, &mut user_id, &conn, &client_header.ip).await
        }
        "authorization_code" if CONFIG.sso_enabled() => {
@@ -105,7 +94,7 @@ async fn login(
            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;

-            sso_login(data, &mut user_id, &conn, &client_header.ip, client_version.as_ref()).await
+            sso_login(data, &mut user_id, &conn, &client_header.ip).await
        }
        "authorization_code" => err!("SSO sign-in is not available"),
        "send_access" => {
@@ -190,13 +179,7 @@ async fn refresh_login(data: ConnectData, conn: &DbConn, ip: &ClientIp) -> JsonR
 }

 // After exchanging the code we need to check first if 2FA is needed before continuing
-async fn sso_login(
-    data: ConnectData,
-    user_id: &mut Option<UserId>,
-    conn: &DbConn,
-    ip: &ClientIp,
-    client_version: Option<&ClientVersion>,
-) -> JsonResult {
+async fn sso_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &DbConn, ip: &ClientIp) -> JsonResult {
    AuthMethod::Sso.check_scope(data.scope.as_ref())?;

    // Ratelimit the login
@@ -353,7 +336,7 @@ async fn sso_login(
        Some((mut user, sso_user)) => {
            let mut device = get_device(&data, conn, &user).await?;

-            let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, client_version, conn).await?;
+            let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, conn).await?;

            if user.private_key.is_none() {
                // User was invited a stub was created
@@ -385,13 +368,7 @@ async fn sso_login(
    authenticated_response(&user, &mut device, auth_tokens, twofactor_token, conn, ip).await
 }

-async fn password_login(
-    data: ConnectData,
-    user_id: &mut Option<UserId>,
-    conn: &DbConn,
-    ip: &ClientIp,
-    client_version: Option<&ClientVersion>,
-) -> JsonResult {
+async fn password_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &DbConn, ip: &ClientIp) -> JsonResult {
    // Validate scope
    AuthMethod::Password.check_scope(data.scope.as_ref())?;

@@ -400,24 +377,14 @@ async fn password_login(

    // Get the user
    let username = data.username.as_ref().unwrap().trim();
+    let log_username = username.escape_debug();
    let Some(mut user) = User::find_by_mail(username, conn).await else {
-        err!("Username or password is incorrect. Try again", format!("IP: {}. Username: {username}.", ip.ip))
+        err!("Username or password is incorrect. Try again", format!("IP: {}. Username: {log_username}.", ip.ip))
    };

    // Set the user_id here to be passed back used for event logging.
    *user_id = Some(user.uuid.clone());

-    // Check if the user is disabled
-    if !user.enabled {
-        err!(
-            "This user has been disabled",
-            format!("IP: {}. Username: {username}.", ip.ip),
-            ErrorEvent {
-                event: EventType::UserFailedLogIn
-            }
-        )
-    }
-
    let password = data.password.as_ref().unwrap();

    // If we get an auth request, we don't check the user's password, but the access code of the auth request
@@ -425,7 +392,7 @@ async fn password_login(
        let Some(auth_request) = AuthRequest::find_by_uuid_and_user(auth_request_id, &user.uuid, conn).await else {
            err!(
                "Auth request not found. Try again.",
-                format!("IP: {}. Username: {username}.", ip.ip),
+                format!("IP: {}. Username: {log_username}.", ip.ip),
                ErrorEvent {
                    event: EventType::UserFailedLogIn,
                }
@@ -437,13 +404,14 @@ async fn password_login(

        if auth_request.user_uuid != user.uuid
            || !auth_request.approved.unwrap_or(false)
+            || auth_request.authentication_date.is_some()
            || request_expired
            || ip.ip.to_string() != auth_request.request_ip
            || !auth_request.check_access_code(password)
        {
            err!(
                "Username or access code is incorrect. Try again",
-                format!("IP: {}. Username: {username}.", ip.ip),
+                format!("IP: {}. Username: {log_username}.", ip.ip),
                ErrorEvent {
                    event: EventType::UserFailedLogIn,
                }
@@ -452,13 +420,24 @@ async fn password_login(
    } else if !user.check_valid_password(password) {
        err!(
            "Username or password is incorrect. Try again",
-            format!("IP: {}. Username: {username}.", ip.ip),
+            format!("IP: {}. Username: {log_username}.", ip.ip),
            ErrorEvent {
                event: EventType::UserFailedLogIn,
            }
        )
    }

+    // Check if the user is disabled
+    if !user.enabled {
+        err!(
+            "This user has been disabled",
+            format!("IP: {}. Username: {log_username}.", ip.ip),
+            ErrorEvent {
+                event: EventType::UserFailedLogIn
+            }
+        )
+    }
+
    // Change the KDF Iterations (only when not logging in with an auth request)
    if data.auth_request.is_none() {
        kdf_upgrade(&mut user, password, conn).await?;
@@ -491,7 +470,7 @@ async fn password_login(
        // We still want the login to fail until they actually verified the email address
        err!(
            "Please verify your email before trying again.",
-            format!("IP: {}. Username: {username}.", ip.ip),
+            format!("IP: {}. Username: {log_username}.", ip.ip),
            ErrorEvent {
                event: EventType::UserFailedLogIn
            }
@@ -500,7 +479,20 @@ async fn password_login(

    let mut device = get_device(&data, conn, &user).await?;

-    let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, client_version, conn).await?;
+    let twofactor_token = twofactor_auth(&mut user, &data, &mut device, ip, conn).await?;
+
+    // Like upstream, an auth request can be used for one login only. Marked after 2FA so a 2FA prompt doesn't use it up.
+    if let Some(ref auth_request_id) = data.auth_request
+        && !AuthRequest::set_authentication_date(auth_request_id, conn).await?
+    {
+        err!(
+            "Username or access code is incorrect. Try again",
+            format!("IP: {}. Username: {log_username}.", ip.ip),
+            ErrorEvent {
+                event: EventType::UserFailedLogIn,
+            }
+        )
+    }

    let auth_tokens = auth::AuthTokens::new(&device, &user, AuthMethod::Password, data.client_id);

@@ -539,7 +531,7 @@ async fn authenticated_response(
    // Save to update `device.updated_at` to track usage and toggle new status
    device.save(true, conn).await?;

-    let master_password_policy = master_password_policy(user, conn).await;
+    let master_password_policy = identity_master_password_policy(user, conn).await;

    let has_master_password = !user.password_hash.is_empty();
    let master_password_unlock = if has_master_password {
@@ -572,7 +564,6 @@ async fn authenticated_response(
        "KdfIterations": user.client_kdf_iter,
        "KdfMemory": user.client_kdf_memory,
        "KdfParallelism": user.client_kdf_parallelism,
-        "ResetMasterPassword": false, // TODO: Same as above
        "ForcePasswordReset": false,
        "MasterPasswordPolicy": master_password_policy,
        "scope": auth_tokens.scope(),
@@ -602,7 +593,14 @@ async fn api_key_login(data: ConnectData, user_id: &mut Option<UserId>, conn: &D

    // Validate scope
    match data.scope.as_ref() {
-        Some(scope) if scope == &AuthMethod::UserApiKey.scope() => user_api_key_login(data, user_id, conn, ip).await,
+        Some(scope) if scope == &AuthMethod::UserApiKey.scope() => {
+            // Like upstream, only the user API key logs in a device
+            check_is_some(data.device_identifier.as_ref(), "device_identifier cannot be blank")?;
+            check_is_some(data.device_name.as_ref(), "device_name cannot be blank")?;
+            check_is_some(data.device_type.as_ref(), "device_type cannot be blank")?;
+
+            user_api_key_login(data, user_id, conn, ip).await
+        }
        Some(scope) if scope == &AuthMethod::OrgApiKey.scope() => organization_api_key_login(data, conn, ip).await,
        _ => err!("Scope not supported"),
    }
@@ -715,7 +713,6 @@ async fn user_api_key_login(
        "KdfIterations": user.client_kdf_iter,
        "KdfMemory": user.client_kdf_memory,
        "KdfParallelism": user.client_kdf_parallelism,
-        "ResetMasterPassword": false, // TODO: according to official server seems something like: user.password_hash.is_empty(), but would need testing
        "ForcePasswordReset": false,
        "scope": AuthMethod::UserApiKey.scope(),
        "AccountKeys": account_keys,
@@ -781,7 +778,6 @@ async fn twofactor_auth(
    data: &ConnectData,
    device: &mut Device,
    ip: &ClientIp,
-    client_version: Option<&ClientVersion>,
    conn: &DbConn,
 ) -> ApiResult<Option<String>> {
    let twofactors = TwoFactor::find_by_user(&user.uuid, conn).await;
@@ -810,17 +806,12 @@ async fn twofactor_auth(
    if ![TwoFactorType::Remember as i32, TwoFactorType::RecoveryCode as i32].contains(&selected_id)
        && !twofactor_ids.contains(&selected_id)
    {
-        err_json!(
-            json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
-            "Invalid two factor provider"
-        )
+        err_json!(json_err_twofactor(&twofactor_ids, user, data, conn).await?, "Invalid two factor provider")
    }

-    let Some(ref twofactor_code) = data.two_factor_token else {
-        err_json!(
-            json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
-            "2FA token not provided"
-        )
+    // Like upstream, a blank token counts as not provided
+    let Some(twofactor_code) = data.two_factor_token.as_deref().filter(|t| !t.trim().is_empty()) else {
+        err_json!(json_err_twofactor(&twofactor_ids, user, data, conn).await?, "2FA token not provided")
    };

    let selected_twofactor = twofactors.into_iter().find(|tf| tf.atype == selected_id && tf.enabled);
@@ -834,20 +825,14 @@ async fn twofactor_auth(
        Some(TwoFactorType::Webauthn) => webauthn::validate_webauthn_login(&user.uuid, twofactor_code, conn).await?,
        Some(TwoFactorType::YubiKey) => yubikey::validate_yubikey_login(twofactor_code, &selected_data?).await?,
        Some(TwoFactorType::Duo) => {
-            if CONFIG.duo_use_iframe() {
-                // Legacy iframe prompt flow
-                duo::validate_duo_login(&user.email, twofactor_code, conn).await?;
-            } else {
-                // OIDC based flow
-                duo_oidc::validate_duo_login(
-                    &user.email,
-                    twofactor_code,
-                    data.client_id.as_ref().unwrap(),
-                    data.device_identifier.as_ref().unwrap(),
-                    conn,
-                )
-                .await?;
-            }
+            duo_oidc::validate_duo_login(
+                &user.email,
+                twofactor_code,
+                data.client_id.as_ref().unwrap(),
+                data.device_identifier.as_ref().unwrap(),
+                conn,
+            )
+            .await?;
        }
        Some(TwoFactorType::Email) => {
            email::validate_email_code_str(&user.uuid, twofactor_code, &selected_data?, &ip.ip, conn).await?;
@@ -869,16 +854,22 @@ async fn twofactor_auth(
                        device.save(true, conn).await?;
                    }
                    err_json!(
-                        json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
+                        json_err_twofactor(&twofactor_ids, user, data, conn).await?,
                        "2FA Remember token not provided or expired"
                    )
                }
            }
        }
        Some(TwoFactorType::RecoveryCode) => {
-            // Check if recovery code is correct
-            if !user.check_valid_recovery_code(twofactor_code) {
-                err!("Recovery code is incorrect. Try again.")
+            // Like upstream, spaces and case don't matter
+            let recovery_code = twofactor_code.replace(' ', "").trim().to_lowercase();
+            if !user.check_valid_recovery_code(&recovery_code) {
+                err!(
+                    "Two-step token is invalid. Try again.",
+                    ErrorEvent {
+                        event: EventType::UserFailedLogIn2fa
+                    }
+                )
            }

            // Remove all twofactors from the user
@@ -893,6 +884,13 @@ async fn twofactor_auth(

            log_user_event(EventType::UserRecovered2fa as i32, &user.uuid, device.atype, &ip.ip, conn).await;

+            if CONFIG.mail_enabled()
+                && let Err(e) =
+                    mail::send_recover_twofactor(&user.email, &ip.ip.to_string(), &Utc::now().naive_utc()).await
+            {
+                error!("Error sending two-step login recovered email: {e:#?}");
+            }
+
            // Remove the recovery code, not needed without twofactors
            user.totp_recover = None;
            user.save(conn).await?;
@@ -920,21 +918,14 @@ fn selected_data(tf: Option<TwoFactor>) -> ApiResult<String> {
    tf.map(|t| t.data).map_res("Two factor doesn't exist")
 }

-async fn json_err_twofactor(
-    providers: &[i32],
-    user_id: &UserId,
-    data: &ConnectData,
-    client_version: Option<&ClientVersion>,
-    conn: &DbConn,
-) -> ApiResult<Value> {
+async fn json_err_twofactor(providers: &[i32], user: &User, data: &ConnectData, conn: &DbConn) -> ApiResult<Value> {
+    let user_id = &user.uuid;
    let mut result = json!({
        "error" : "invalid_grant",
        "error_description" : "Two factor required.",
        "TwoFactorProviders" : providers.iter().map(ToString::to_string).collect::<Vec<String>>(),
        "TwoFactorProviders2" : {}, // { "0" : null }
-        "MasterPasswordPolicy": {
-            "Object": "masterPasswordPolicy"
-        }
+        "MasterPasswordPolicy": identity_master_password_policy(user, conn).await,
    });

    for provider in providers {
@@ -947,33 +938,17 @@ async fn json_err_twofactor(
            }

            Some(TwoFactorType::Duo) => {
-                let email = if let Some(u) = User::find_by_uuid(user_id, conn).await {
-                    u.email
-                } else {
-                    err!("User does not exist")
-                };
+                let auth_url = duo_oidc::get_duo_auth_url(
+                    &user.email,
+                    data.client_id.as_ref().unwrap(),
+                    data.device_identifier.as_ref().unwrap(),
+                    conn,
+                )
+                .await?;

-                if CONFIG.duo_use_iframe() {
-                    // Legacy iframe prompt flow
-                    let (signature, host) = duo::generate_duo_signature(&email, conn).await?;
-                    result["TwoFactorProviders2"][provider.to_string()] = json!({
-                        "Host": host,
-                        "Signature": signature,
-                    });
-                } else {
-                    // OIDC based flow
-                    let auth_url = duo_oidc::get_duo_auth_url(
-                        &email,
-                        data.client_id.as_ref().unwrap(),
-                        data.device_identifier.as_ref().unwrap(),
-                        conn,
-                    )
-                    .await?;
-
-                    result["TwoFactorProviders2"][provider.to_string()] = json!({
-                        "AuthUrl": auth_url,
-                    });
-                }
+                result["TwoFactorProviders2"][provider.to_string()] = json!({
+                    "AuthUrl": auth_url,
+                });
            }

            Some(tf_type @ TwoFactorType::YubiKey) => {
@@ -993,19 +968,6 @@ async fn json_err_twofactor(
                    err!("No twofactor email registered")
                };

-                // Starting with version 2025.5.0 the client will call `/api/two-factor/send-email-login`.
-                let disabled_send = if let Some(cv) = client_version {
-                    let ver_match = semver::VersionReq::parse(">=2025.5.0").unwrap();
-                    ver_match.matches(&cv.0)
-                } else {
-                    false
-                };
-
-                // Send email immediately if email is the only 2FA option.
-                if providers.len() == 1 && !disabled_send {
-                    email::send_token(user_id, conn).await?;
-                }
-
                let email_data = email::EmailTokenData::from_json(&twofactor.data)?;
                result["TwoFactorProviders2"][provider.to_string()] = json!({
                    "Email": email::obscure_email(&email_data.email),
@@ -1043,11 +1005,6 @@ async fn prelogin_password(data: Json<PreloginData>, ip: ClientIp, conn: DbConn)
    prelogin(data, ip, conn).await
 }

-#[post("/accounts/register", data = "<data>")]
-async fn identity_register(data: Json<RegisterData>, conn: DbConn) -> JsonResult {
-    register(data, false, conn).await
-}
-
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct RegisterVerificationData {
@@ -1119,8 +1076,9 @@ async fn register_verification_email(
 }

 #[post("/accounts/register/finish", data = "<data>")]
-async fn register_finish(data: Json<RegisterData>, conn: DbConn) -> JsonResult {
-    register(data, true, conn).await
+async fn register_finish(data: Json<RegisterData>, ip: ClientIp, conn: DbConn) -> JsonResult {
+    crate::ratelimit::check_limit_unauthenticated(&ip.ip)?;
+    register(data, conn).await
 }

 // https://github.com/bitwarden/jslib/blob/master/common/src/models/request/tokenRequest.ts
@@ -1250,7 +1208,7 @@ async fn oidcsignin_redirect(
    let state = sso::decode_state(&base64_state)?;

    let Some(mut sso_auth) = SsoAuth::find(&state, conn).await else {
-        err!(format!("Cannot retrieve sso_auth for {state}"))
+        err!(format!("Cannot retrieve sso_auth for {}", state.escape_debug()))
    };

    // Browser-binding check
@@ -1259,7 +1217,7 @@ async fn oidcsignin_redirect(
    let provided_hash = cookie_value.as_deref().map(|v| crypto::sha256_hex(v.as_bytes()));
    match (sso_auth.binding_hash.as_deref(), provided_hash.as_deref()) {
        (Some(expected), Some(actual)) if crypto::ct_eq(expected, actual) => {}
-        _ => err!(format!("SSO session binding mismatch for {state}")),
+        _ => err!(format!("SSO session binding mismatch for {}", state.escape_debug())),
    }
    cookies
        .remove(Cookie::build(SSO_BINDING_COOKIE).path(format!("{}/identity/connect/", CONFIG.domain_path())).build());
@@ -124,3 +124,21 @@ async fn master_password_policy(user: &User, conn: &DbConn) -> Value {
    mpp_json["Object"] = json!("masterPasswordPolicy");
    mpp_json
 }
+
+// Identity responses use PascalCase keys like upstream, some clients (Android) only read those
+async fn identity_master_password_policy(user: &User, conn: &DbConn) -> Value {
+    match master_password_policy(user, conn).await {
+        Value::Object(policy) => Value::Object(
+            policy
+                .into_iter()
+                .map(|(mut key, value)| {
+                    if let Some(first) = key.get_mut(..1) {
+                        first.make_ascii_uppercase();
+                    }
+                    (key, value)
+                })
+                .collect(),
+        ),
+        policy => policy,
+    }
+}
@@ -89,6 +89,7 @@ fn vaultwarden_css() -> EtagCached<Css<String>> {

    // Else, there is either no cache, or reload_templates is true and we need to rebuild the CSS
    let css_options = json!({
+        "email_change_allowed": CONFIG.email_change_allowed(),
        "emergency_access_allowed": CONFIG.emergency_access_allowed(),
        "load_user_scss": true,
        "mail_2fa_enabled": CONFIG._enable_email_2fa(),
@@ -14,6 +14,7 @@ use ipnet::IpNet;
 use jsonwebtoken::{Algorithm, DecodingKey, EncodingKey, Header, errors::ErrorKind};
 use num_traits::FromPrimitive;
 use openssl::rsa::Rsa;
+use ring::hmac;
 use serde::{de::DeserializeOwned, ser::Serialize};

 use rocket::{
@@ -65,6 +66,7 @@ static JWT_2FA_REMEMBER_ISSUER: LazyLock<String> = LazyLock::new(|| format!("{}|

 static PRIVATE_RSA_KEY: OnceLock<EncodingKey> = OnceLock::new();
 static PUBLIC_RSA_KEY: OnceLock<DecodingKey> = OnceLock::new();
+static PRELOGIN_KDF_KEY: OnceLock<hmac::Key> = OnceLock::new();

 pub async fn initialize_keys() -> Result<(), Error> {
    use std::io::Error as IoError;
@@ -99,9 +101,22 @@ pub async fn initialize_keys() -> Result<(), Error> {
    if PUBLIC_RSA_KEY.set(dec).is_err() {
        err!("PUBLIC_RSA_KEY must only be initialized once")
    }
+
+    // Derived from the RSA key, so it stays the same across restarts without storing another secret
+    let prelogin_kdf_key = hmac::sign(&hmac::Key::new(hmac::HMAC_SHA256, &priv_key_buffer), b"prelogin-kdf");
+    if PRELOGIN_KDF_KEY.set(hmac::Key::new(hmac::HMAC_SHA256, prelogin_kdf_key.as_ref())).is_err() {
+        err!("PRELOGIN_KDF_KEY must only be initialized once")
+    }
    Ok(())
 }

+/// Returns an index in `0..len` derived from the email, the same for every request
+pub fn prelogin_kdf_index(email: &str, len: usize) -> usize {
+    let tag = hmac::sign(PRELOGIN_KDF_KEY.wait(), email.as_bytes());
+    let tag = tag.as_ref();
+    usize::from(u16::from_be_bytes([tag[0], tag[1]])) % len
+}
+
 pub fn encode_jwt<T: Serialize>(claims: &T) -> String {
    match jsonwebtoken::encode(&JWT_HEADER, claims, PRIVATE_RSA_KEY.wait()) {
        Ok(token) => token,
@@ -253,7 +268,7 @@ impl LoginJwtClaims {
            premium: true,
            name: user.name.clone(),
            email: user.email.clone(),
-            email_verified: !CONFIG.mail_enabled() || user.verified_at.is_some(),
+            email_verified: user.verified(),

            // ---
            // Disabled these keys to be added to the JWT since they could cause the JWT to get too large
@@ -422,7 +437,7 @@ pub fn generate_file_download_claims(cipher_id: CipherId, file_id: AttachmentId)
    let time_now = Utc::now();
    FileDownloadClaims {
        nbf: time_now.timestamp(),
-        exp: (time_now + TimeDelta::try_minutes(5).unwrap()).timestamp(),
+        exp: (time_now + TimeDelta::try_minutes(1).unwrap()).timestamp(),
        iss: JWT_FILE_DOWNLOAD_ISSUER.to_string(),
        sub: cipher_id,
        file_id,
@@ -1073,6 +1088,31 @@ fn ip_header_is_trusted(remote: Option<IpAddr>) -> bool {
    trusted.split(',').filter_map(parse_trusted_proxy).any(|net| net.contains(&remote))
 }

+/// Each proxy appends the address it received the request from to a list header (`X-Forwarded-For: client, proxy1`).
+/// Like ASP.NET's ForwardedHeaders, walk the entries of every occurrence of the header from the right and take the
+/// first one that isn't a trusted proxy. If they all are, the leftmost one is the client.
+fn client_ip_from_header(req: &Request<'_>, header: &str, is_trusted: impl Fn(IpAddr) -> bool) -> Option<IpAddr> {
+    let values: Vec<&str> = req.headers().get(header).collect();
+    client_ip_from_header_values(&values, header, is_trusted)
+}
+
+fn client_ip_from_header_values(values: &[&str], header: &str, is_trusted: impl Fn(IpAddr) -> bool) -> Option<IpAddr> {
+    let entries: Vec<&str> = values.iter().flat_map(|value| value.split(',')).map(str::trim).collect();
+
+    let mut client_ip = None;
+    for entry in entries.into_iter().rev() {
+        let Ok(ip) = entry.parse() else {
+            warn!("'{header}' header is malformed: {entry}");
+            break;
+        };
+        client_ip = Some(ip);
+        if !is_trusted(ip) {
+            break;
+        }
+    }
+    client_ip
+}
+
 #[rocket::async_trait]
 impl<'r> FromRequest<'r> for ClientIp {
    type Error = ();
@@ -1081,15 +1121,7 @@ impl<'r> FromRequest<'r> for ClientIp {
        let remote = req.remote().map(|r| r.ip());

        let ip = if CONFIG._ip_header_enabled() && ip_header_is_trusted(remote) {
-            req.headers().get_one(&CONFIG.ip_header()).and_then(|ip| {
-                match ip.find(',') {
-                    Some(idx) => &ip[..idx],
-                    None => ip,
-                }
-                .parse()
-                .map_err(|_| warn!("'{}' header is malformed: {ip}", CONFIG.ip_header()))
-                .ok()
-            })
+            client_ip_from_header(req, &CONFIG.ip_header(), |ip| ip_header_is_trusted(Some(ip)))
        } else {
            if CONFIG._ip_header_enabled() && req.headers().get_one(&CONFIG.ip_header()).is_some() {
                // Log the canonical IP, which is what the user filter will need to match against
@@ -1208,7 +1240,7 @@ impl AuthMethod {
        match scope {
            None => err!("Missing scope"),
            Some(scope) if scope == &method_scope => Ok(method_scope),
-            Some(scope) => err!(format!("Scope ({scope}) not supported")),
+            Some(scope) => err!(format!("Scope ({}) not supported", scope.escape_debug())),
        }
    }
 }
@@ -1327,3 +1359,52 @@ pub async fn refresh_tokens(

    Ok((device, auth_tokens))
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn client_ip(values: &[&str]) -> Option<IpAddr> {
+        let is_trusted = |ip: IpAddr| match ip {
+            IpAddr::V4(v4) => v4.is_private() || v4.is_loopback(),
+            IpAddr::V6(v6) => v6.is_loopback(),
+        };
+        client_ip_from_header_values(values, "X-Forwarded-For", is_trusted)
+    }
+
+    fn ip(s: &str) -> Option<IpAddr> {
+        Some(s.parse().unwrap())
+    }
+
+    #[test]
+    fn ip_header_single_value() {
+        assert_eq!(client_ip(&["203.0.113.5"]), ip("203.0.113.5"));
+        assert_eq!(client_ip(&["10.0.0.7"]), ip("10.0.0.7"));
+        assert_eq!(client_ip(&["2001:db8::1"]), ip("2001:db8::1"));
+    }
+
+    #[test]
+    fn ip_header_uses_rightmost_untrusted_entry() {
+        // Entries already in the request come before the one the proxy appended
+        assert_eq!(client_ip(&["198.51.100.1, 203.0.113.5"]), ip("203.0.113.5"));
+        // Trusted proxies on the right are skipped
+        assert_eq!(client_ip(&["198.51.100.1, 203.0.113.5, 10.0.0.2, 127.0.0.1"]), ip("203.0.113.5"));
+        // All trusted, so the leftmost entry is the client
+        assert_eq!(client_ip(&["192.168.1.10, 10.0.0.2"]), ip("192.168.1.10"));
+    }
+
+    #[test]
+    fn ip_header_reads_every_occurrence() {
+        assert_eq!(client_ip(&["198.51.100.1", "203.0.113.5"]), ip("203.0.113.5"));
+        assert_eq!(client_ip(&["198.51.100.1", "203.0.113.5, 10.0.0.2"]), ip("203.0.113.5"));
+    }
+
+    #[test]
+    fn ip_header_malformed_entries() {
+        assert_eq!(client_ip(&[]), None);
+        assert_eq!(client_ip(&[""]), None);
+        assert_eq!(client_ip(&["203.0.113.5, not-an-ip"]), None);
+        // Stops at the malformed entry and keeps the closest proxy
+        assert_eq!(client_ip(&["not-an-ip, 10.0.0.2"]), ip("10.0.0.2"));
+    }
+}
@@ -75,7 +75,7 @@ impl SendTokens {
            return Self::invalid_error(&format!("Can't convert {access_id}"), "send_id_invalid", false);
        };

-        let Some(mut send) = Send::find_by_uuid(&send_id, conn).await else {
+        let Some(send) = Send::find_by_uuid(&send_id, conn).await else {
            return Self::invalid_error(&format!("Can't find {send_id}"), "send_id_invalid", false);
        };

@@ -103,10 +103,6 @@ impl SendTokens {
            }
        }

-        if !send.register_access(conn).await? {
-            return Self::invalid_error(&format!("Send {send_id}, max access reached"), "send_id_invalid", true);
-        }
-
        Ok(Self {
            access_claims: generate_send_access_claims(&send_id),
        })
@@ -561,7 +561,7 @@ make_config! {
        /// Auth Request cleanup schedule |> Cron schedule of the job that cleans old auth requests from the auth request.
        /// Defaults to every minute. Set blank to disable this job.
        auth_request_purge_schedule:   String, false,  def,    "30 * * * * *".to_owned();
-        /// Duo Auth context cleanup schedule |> Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled or set to use the legacy iframe prompt.
+        /// Duo Auth context cleanup schedule |> Cron schedule of the job that cleans expired Duo contexts from the database. Does nothing if Duo MFA is disabled.
        /// Defaults to once every minute. Set blank to disable this job.
        duo_context_purge_schedule:   String, false,  def,    "30 * * * * *".to_owned();
        /// Purge incomplete SSO auth. |> Cron schedule of the job that cleans leftover auth in db due to incomplete SSO login.
@@ -675,7 +675,8 @@ make_config! {
        /// other address use the remote IP instead, so a client can't spoof the header.
        /// Either the string "local" (the default, any non-global address, which covers a reverse proxy
        /// running on the same host or container network), the string "all" to accept it from anywhere,
-        /// or a comma separated list of IPs and CIDR ranges.
+        /// or a comma separated list of IPs and CIDR ranges. For a list header like X-Forwarded-For, the
+        /// client IP is the rightmost address that isn't a trusted proxy, so list every proxy in the chain.
        ip_header_trusted_proxies: String, true, def,    "local".to_owned();
        /// Icon service |> The predefined icon services are: internal, bitwarden, duckduckgo, google.
        /// To specify a custom icon service, set a URL template with exactly one instance of `{}`,
@@ -865,16 +866,12 @@ make_config! {
    duo: _enable_duo {
        /// Enabled
        _enable_duo:            bool,   true,   def,     true;
-        /// Attempt to use deprecated iframe-based Traditional Prompt (Duo WebSDK 2)
-        duo_use_iframe:         bool,   false,  def,     false;
        /// Client Id
        duo_ikey:               String, true,   option;
        /// Client Secret
        duo_skey:               Pass,   true,   option;
        /// Host
        duo_host:               String, true,   option;
-        /// Application Key (generated automatically)
-        _duo_akey:              Pass,   false,  option;
    },

    /// SMTP Email Settings
@@ -1418,33 +1415,21 @@ pub enum PathType {
 // Android (v2026.2.1): https://github.com/bitwarden/android/blob/6902c19c0093fa476bbf74ccaa70c9f14afbb82f/core/src/main/kotlin/com/bitwarden/core/data/manager/model/FlagKey.kt#L31
 // iOS (v2026.2.1): https://github.com/bitwarden/ios/blob/cdd9ba1770ca2ffc098d02d12cc3208e3a830454/BitwardenShared/Core/Platform/Models/Enum/FeatureFlag.swift#L7
 pub const SUPPORTED_FEATURE_FLAGS: &[&str] = &[
-    // Architecture
-    "desktop-ui-migration-milestone-1",
-    "desktop-ui-migration-milestone-2",
-    "desktop-ui-migration-milestone-3",
-    "desktop-ui-migration-milestone-4",
    // Auth Team
    "pm-5594-safari-account-switching",
    "pm-32413-multi-client-password-management",
    // Autofill Team
+    "undetermined-cipher-scenario-logic",
    "enable-basic-auth-response",
-    "ssh-agent",
    "ssh-agent-v2",
    // Key Management Team
-    "ssh-key-vault-item",
-    "pm-25373-windows-biometrics-v2",
-    "pm-26340-linux-biometrics-v2",
+    "windows-native-credential-sync",
    "pm-31050-no-logout-key-upgrade-rotation",
    "pm-27278-v2-password-registration",
    "enable-account-encryption-v2-jit-password-registration",
    "pm-30144-sdk-key-rotation",
    "force-upgrade-v2-encryption",
    // Mobile Team
-    "anon-addy-self-host-alias",
-    "simple-login-self-host-alias",
-    "mutual-tls",
-    "cxp-import-mobile",
-    "cxp-export-mobile",
    "pm-34171-card-scanner",
    // Platform Team
    "pm-30529-webauthn-related-origins",
@@ -1521,15 +1506,6 @@ impl Config {
        Ok(())
    }

-    async fn update_config_partial(&self, other: ConfigBuilder) -> Result<(), Error> {
-        let builder = {
-            let usr = &self.inner.read().unwrap()._usr;
-            let mut overrides = Vec::new();
-            usr.merge(&other, false, &mut overrides)
-        };
-        self.update_config(builder, false).await
-    }
-
    /// Tests whether an email's domain is allowed. A domain is allowed if it
    /// is in signups_domains_whitelist, or if no whitelist is set (so there
    /// are no domain restrictions in effect).
@@ -1625,23 +1601,6 @@ impl Config {
        inner._enable_smtp && (inner.smtp_host.is_some() || inner.use_sendmail)
    }

-    pub async fn get_duo_akey(&self) -> String {
-        if let Some(akey) = self._duo_akey() {
-            akey
-        } else {
-            let akey_s = crate::crypto::encode_random_bytes::<64>(&data_encoding::BASE64);
-
-            // Save the new value
-            let builder = ConfigBuilder {
-                _duo_akey: Some(akey_s.clone()),
-                ..Default::default()
-            };
-            self.update_config_partial(builder).await.ok();
-
-            akey_s
-        }
-    }
-
    pub fn is_webauthn_2fa_supported(&self) -> bool {
        Url::parse(&self.domain()).expect("DOMAIN not a valid URL").domain().is_some()
    }
@@ -1773,6 +1732,7 @@ where
    reg!("email/protected_action", ".html");
    reg!("email/pw_hint_none", ".html");
    reg!("email/pw_hint_some", ".html");
+    reg!("email/recover_twofactor", ".html");
    reg!("email/register_verify_email", ".html");
    reg!("email/send_2fa_removed_from_org", ".html");
    reg!("email/send_emergency_access_invite", ".html");
@@ -61,7 +61,7 @@ impl Attachment {
            let token = encode_jwt(&generate_file_download_claims(self.cipher_uuid.clone(), self.id.clone()));
            Ok(format!("{host}/attachments/{}/{}?token={token}", self.cipher_uuid, self.id))
        } else {
-            Ok(operator.presign_read(&self.get_file_path(), Duration::from_mins(5)).await?.uri().to_string())
+            Ok(operator.presign_read(&self.get_file_path(), Duration::from_mins(1)).await?.uri().to_string())
        }
    }

@@ -4,7 +4,7 @@ use diesel::prelude::*;
 use serde_json::Value;

 use crate::{
-    api::EmptyResult,
+    api::{ApiResult, EmptyResult},
    crypto::ct_eq,
    db::{DbConn, schema::auth_requests},
    error::MapResult,
@@ -166,6 +166,21 @@ impl AuthRequest {
        .await
    }

+    /// Marks the request as used to log in. Returns false when it already was, so it only works once.
+    pub async fn set_authentication_date(uuid: &AuthRequestId, conn: &DbConn) -> ApiResult<bool> {
+        let now = Utc::now().naive_utc();
+        conn.run(move |conn| {
+            diesel::update(auth_requests::table)
+                .filter(auth_requests::uuid.eq(uuid))
+                .filter(auth_requests::authentication_date.is_null())
+                .set(auth_requests::authentication_date.eq(now))
+                .execute(conn)
+                .map(|updated| updated == 1)
+                .map_res("Error updating auth request")
+        })
+        .await
+    }
+
    pub fn check_access_code(&self, access_code: &str) -> bool {
        ct_eq(&self.access_code, access_code)
    }
@@ -748,6 +748,7 @@ impl Cipher {
                // Only allow group access via a confirmed membership, since
                // groups_users rows are kept when a membership is revoked.
                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
+                .filter(ciphers::organization_uuid.eq(users_organizations::org_uuid.nullable()))
                .select((collections_groups::read_only, collections_groups::hide_passwords, collections_groups::manage))
                .load::<(bool, bool, bool)>(conn)
                .expect("Error getting group access restrictions")
@@ -104,7 +104,6 @@ impl Group {
            "id": self.uuid,
            "organizationId": self.organizations_uuid,
            "name": self.name,
-            "accessAll": self.access_all,
            "externalId": self.external_id,
            "collections": collections_groups,
            "object": "groupDetails"
@@ -574,26 +573,6 @@ impl GroupUser {
        }
    }

-    pub async fn delete_by_group_and_member(
-        group_uuid: &GroupId,
-        member_uuid: &MembershipId,
-        conn: &DbConn,
-    ) -> EmptyResult {
-        match Membership::find_by_uuid(member_uuid, conn).await {
-            Some(member) => User::update_uuid_revision(&member.user_uuid, conn).await,
-            None => warn!("Member could not be found!"),
-        }
-
-        conn.run(move |conn| {
-            diesel::delete(groups_users::table)
-                .filter(groups_users::groups_uuid.eq(group_uuid))
-                .filter(groups_users::users_organizations_uuid.eq(member_uuid))
-                .execute(conn)
-                .map_res("Error deleting group users")
-        })
-        .await
-    }
-
    pub async fn delete_all_by_group(group_uuid: &GroupId, org_uuid: &OrganizationId, conn: &DbConn) -> EmptyResult {
        let group_users = GroupUser::find_by_group(group_uuid, org_uuid, conn).await;
        for group_user in group_users {
@@ -347,7 +347,7 @@ impl OrganizationApiKey {
 impl Organization {
    pub async fn save(&self, conn: &DbConn) -> EmptyResult {
        if !crate::util::is_valid_email(&self.billing_email) {
-            err!(format!("BillingEmail {} is not a valid email address", self.billing_email))
+            err!(format!("BillingEmail {} is not a valid email address", self.billing_email.escape_debug()))
        }

        for member in &Membership::find_by_org(&self.uuid, conn).await {
@@ -520,8 +520,7 @@ impl Membership {
            "limitCollectionDeletion": true,
            "limitItemDeletion": false,
            "allowAdminAccessToAllCollectionItems": true,
-            "userIsManagedByOrganization": false, // Means not managed via the Members UI, like SSO
-            "userIsClaimedByOrganization": false, // The new key instead of the obsolete userIsManagedByOrganization
+            "userIsClaimedByOrganization": false, // Means not managed via the Members UI, like SSO

            "permissions": permissions,

@@ -631,7 +630,6 @@ impl Membership {

            "status": status,
            "type": membership_type,
-            "accessAll": self.access_all,
            "twoFactorEnabled": twofactor_enabled,
            "resetPasswordEnrolled": self.reset_password_key.is_some(),
            "hasMasterPassword": !user.password_hash.is_empty(),
@@ -639,7 +637,6 @@ impl Membership {
            "permissions": permissions,

            "ssoBound": false, // Not supported
-            "managedByOrganization": false, // This key is obsolete replaced by claimedByOrganization
            "claimedByOrganization": false, // Means not managed via the Members UI, like SSO
            "usesKeyConnector": false, // Not supported
            "accessSecretsManager": false, // Not supported (Not AGPLv3 Licensed)
@@ -690,7 +687,6 @@ impl Membership {

            "status": status,
            "type": self.atype,
-            "accessAll": self.access_all,
            "collections": coll_uuids,

            "object": "organizationUserDetails",
@@ -1033,6 +1029,7 @@ impl Membership {
        conn.run(move |conn| {
            users_organizations::table
                .filter(users_organizations::org_uuid.eq(org_uuid))
+                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .left_join(users_collections::table.on(users_collections::user_uuid.eq(users_organizations::user_uuid)))
                .left_join(
                    ciphers_collections::table.on(ciphers_collections::collection_uuid
@@ -1059,6 +1056,7 @@ impl Membership {
        conn.run(move |conn| {
            users_organizations::table
                .filter(users_organizations::org_uuid.eq(org_uuid))
+                .filter(users_organizations::status.eq(MembershipStatus::Confirmed as i32))
                .inner_join(
                    groups_users::table.on(groups_users::users_organizations_uuid.eq(users_organizations::uuid)),
                )
@@ -140,6 +140,10 @@ impl Send {
        None
    }

+    fn access_id(&self) -> String {
+        BASE64URL_NOPAD.encode(Uuid::parse_str(&self.uuid).unwrap_or_default().as_bytes())
+    }
+
    pub fn to_json(&self) -> Value {
        let mut data = serde_json::from_str::<LowerCase<Value>>(&self.data).map(|d| d.data).unwrap_or_default();

@@ -150,7 +154,7 @@ impl Send {

        json!({
            "id": self.uuid,
-            "accessId": BASE64URL_NOPAD.encode(Uuid::parse_str(&self.uuid).unwrap_or_default().as_bytes()),
+            "accessId": self.access_id(),
            "type": self.atype,

            "name": self.name,
@@ -182,7 +186,7 @@ impl Send {
        }

        json!({
-            "id": self.uuid,
+            "id": self.access_id(),
            "type": self.atype,

            "name": self.name,
@@ -256,7 +260,7 @@ impl Send {

    /// Whether the Send is currently within its validity window: not disabled, not past its
    /// expiration date, and not past its deletion date. Does not consider `max_access_count`
-    /// (consumed at token issuance) or the password.
+    /// (counted on each access) or the password.
    pub fn is_accessible(&self) -> bool {
        let now = Utc::now().naive_utc();
        if self.disabled {
@@ -309,19 +313,6 @@ impl Send {
        Ok(())
    }

-    pub async fn find_by_access_id(access_id: &str, conn: &DbConn) -> Option<Self> {
-        let Ok(uuid_vec) = BASE64URL_NOPAD.decode(access_id.as_bytes()) else {
-            return None;
-        };
-
-        let uuid = match Uuid::from_slice(&uuid_vec) {
-            Ok(u) => SendId::from(u.to_string()),
-            Err(_) => return None,
-        };
-
-        Self::find_by_uuid(&uuid, conn).await
-    }
-
    pub async fn find_by_uuid(uuid: &SendId, conn: &DbConn) -> Option<Self> {
        conn.run(move |conn| sends::table.filter(sends::uuid.eq(uuid)).first::<Self>(conn).ok()).await
    }
@@ -361,13 +352,6 @@ impl Send {
        Some(total)
    }

-    pub async fn find_by_org(org_uuid: &OrganizationId, conn: &DbConn) -> Vec<Self> {
-        conn.run(move |conn| {
-            sends::table.filter(sends::organization_uuid.eq(org_uuid)).load::<Self>(conn).expect("Error loading sends")
-        })
-        .await
-    }
-
    pub async fn find_by_past_deletion_date(conn: &DbConn) -> Vec<Self> {
        let now = Utc::now().naive_utc();
        conn.run(move |conn| {
@@ -336,6 +336,10 @@ impl User {

 /// Database methods
 impl User {
+    pub fn verified(&self) -> bool {
+        !CONFIG.mail_enabled() || self.verified_at.is_some()
+    }
+
    async fn v2_signature_key_pair(&self, conn: &DbConn) -> Option<UserSignatureKeyPair> {
        if !self.is_v2() {
            return None;
@@ -419,7 +423,7 @@ impl User {
            "id": self.uuid,
            "name": self.name,
            "email": self.email,
-            "emailVerified": !CONFIG.mail_enabled() || self.verified_at.is_some(),
+            "emailVerified": self.verified(),
            "premium": true,
            "premiumFromOrganization": false,
            "culture": "en-US",
@@ -441,7 +445,7 @@ impl User {

    pub async fn save(&mut self, conn: &DbConn) -> EmptyResult {
        if !crate::util::is_valid_email(&self.email) {
-            err!(format!("User email {} is not a valid email address", self.email))
+            err!(format!("User email {} is not a valid email address", self.email.escape_debug()))
        }

        self.updated_at = Utc::now().naive_utc();
@@ -590,7 +594,7 @@ impl Invitation {

    pub async fn save(&self, conn: &DbConn) -> EmptyResult {
        if !crate::util::is_valid_email(&self.email) {
-            err!(format!("Invitation email {} is not a valid email address", self.email))
+            err!(format!("Invitation email {} is not a valid email address", self.email.escape_debug()))
        }

        db_run! { conn:
@@ -466,7 +466,7 @@ mod tests {
    #[test]
    fn dotted_decimal_loopback_normalizes() {
        let ip = parse_to_ip("127.0.0.1").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
        assert!(!is_global_hardcoded(ip));
    }

@@ -474,21 +474,21 @@ mod tests {
    fn single_decimal_loopback_normalizes() {
        // 127.0.0.1 == 2130706433
        let ip = parse_to_ip("2130706433").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
        assert!(!is_global_hardcoded(ip));
    }

    #[test]
    fn hex_loopback_normalizes() {
        let ip = parse_to_ip("0x7f000001").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
        assert!(!is_global_hardcoded(ip));
    }

    #[test]
    fn dotted_hex_loopback_normalizes() {
        let ip = parse_to_ip("0x7f.0.0.1").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
        assert!(!is_global_hardcoded(ip));
    }

@@ -496,14 +496,14 @@ mod tests {
    fn octal_loopback_normalizes() {
        // 017700000001 == 127.0.0.1
        let ip = parse_to_ip("017700000001").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
        assert!(!is_global_hardcoded(ip));
    }

    #[test]
    fn dotted_octal_loopback_normalizes() {
        let ip = parse_to_ip("0177.0.0.01").unwrap();
-        assert_eq!(ip, IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));
+        assert_eq!(ip, IpAddr::V4(Ipv4Addr::LOCALHOST));
        assert!(!is_global_hardcoded(ip));
    }

@@ -535,19 +535,19 @@ mod tests {
    #[test]
    fn get_valid_host_normalizes_decimal_int() {
        let h = get_valid_host("2130706433").expect("valid");
-        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::new(127, 0, 0, 1)));
+        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::LOCALHOST));
    }

    #[test]
    fn get_valid_host_normalizes_hex() {
        let h = get_valid_host("0x7f000001").expect("valid");
-        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::new(127, 0, 0, 1)));
+        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::LOCALHOST));
    }

    #[test]
    fn get_valid_host_normalizes_octal() {
        let h = get_valid_host("017700000001").expect("valid");
-        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::new(127, 0, 0, 1)));
+        assert!(matches!(h, Host::Ipv4(ip) if ip == Ipv4Addr::LOCALHOST));
    }

    // ===
@@ -531,6 +531,21 @@ pub async fn send_new_device_logged_in(address: &str, ip: &str, dt: &NaiveDateTi
    send_email(address, &subject, body_html, body_text).await
 }

+pub async fn send_recover_twofactor(address: &str, ip: &str, dt: &NaiveDateTime) -> EmptyResult {
+    let fmt = "%A, %B %_d, %Y at %r %Z";
+    let (subject, body_html, body_text) = get_text(
+        "email/recover_twofactor",
+        json!({
+            "url": CONFIG.domain(),
+            "img_src": CONFIG._smtp_img_src(),
+            "ip": ip,
+            "datetime": crate::util::format_naive_datetime_local(dt, fmt),
+        }),
+    )?;
+
+    send_email(address, &subject, body_html, body_text).await
+}
+
 pub async fn send_incomplete_2fa_login(
    address: &str,
    ip: &str,
@@ -720,7 +720,7 @@ fn schedule_jobs(pool: db::DbPool) {
            }

            // Clean unused, expired Duo authentication contexts.
-            if !CONFIG.duo_context_purge_schedule().is_empty() && CONFIG._enable_duo() && !CONFIG.duo_use_iframe() {
+            if !CONFIG.duo_context_purge_schedule().is_empty() && CONFIG._enable_duo() {
                sched.add(Job::new(CONFIG.duo_context_purge_schedule().parse().unwrap(), || {
                    runtime.spawn(purge_duo_contexts(pool.clone()));
                }));
@@ -2,7 +2,6 @@ use std::{sync::LazyLock, time::Duration};

 use chrono::Utc;
 use derive_more::{AsRef, Deref, Display, From, Into};
-use regex::Regex;
 use url::Url;

 use crate::{
@@ -175,16 +174,16 @@ pub fn decode_state(base64_state: &str) -> ApiResult<OIDCState> {
        if let Ok(valid) = String::from_utf8(vec) {
            OIDCState(valid)
        } else {
-            err!(format!("Invalid utf8 chars in {base64_state} after base64 decoding"))
+            err!(format!("Invalid utf8 chars in {} after base64 decoding", base64_state.escape_debug()))
        }
    } else {
-        err!(format!("Failed to decode {base64_state} using base64"))
+        err!(format!("Failed to decode {} using base64", base64_state.escape_debug()))
    };

    Ok(state)
 }

-// redirect_uri from: https://github.com/bitwarden/server/blob/main/src/Identity/IdentityServer/ApiClient.cs
+// redirect_uri from: https://github.com/bitwarden/server/blob/main/src/Identity/IdentityServer/StaticClientStore.cs
 pub async fn authorize_url(
    state: OIDCState,
    client_challenge: OIDCCodeChallenge,
@@ -193,20 +192,21 @@ pub async fn authorize_url(
    binding_hash: Option<String>,
    conn: DbConn,
 ) -> ApiResult<Url> {
+    // The desktop app uses the localhost callback when it can't register the custom scheme (AppImage, dev builds)
+    let localhost_redirect_uri =
+        (8065..=8070).map(|port| format!("http://localhost:{port}")).find(|uri| uri == raw_redirect_uri);
+
    let redirect_uri = match client_id {
        "web" | "browser" => format!("{}/sso-connector.html", CONFIG.domain()),
-        "desktop" | "mobile" => "bitwarden://sso-callback".to_owned(),
+        "desktop" => localhost_redirect_uri.unwrap_or_else(|| "bitwarden://sso-callback".to_owned()),
+        "mobile" => "bitwarden://sso-callback".to_owned(),
        "cli" => {
-            let port_regex = Regex::new(r"^http://localhost:([0-9]{4})$").unwrap();
-            if let Some(port) =
-                port_regex.captures(raw_redirect_uri).and_then(|captures| captures.get(1).map(|c| c.as_str()))
-            {
-                format!("http://localhost:{port}")
-            } else {
-                err!("Failed to extract port number")
-            }
+            let Some(uri) = localhost_redirect_uri else {
+                err!(format!("Unsupported redirect uri {}", raw_redirect_uri.escape_debug()))
+            };
+            uri
        }
-        _ => err!(format!("Unsupported client {client_id}")),
+        _ => err!(format!("Unsupported client {}", client_id.escape_debug())),
    };

    let (auth_url, sso_auth) = Client::authorize_url(state, client_challenge, redirect_uri, binding_hash).await?;
@@ -242,7 +242,8 @@ impl OIDCIdentifier {

 // During the 2FA flow we will
 //  - retrieve the user information and then only discover he needs 2FA.
-//  - second time we will rely on `SsoAuth.auth_response` since the `code` has already been exchanged.
+//  - second time we will rely on `SsoAuth.auth_response` since the `code` has already been exchanged,
+//    after checking the PKCE verifier again like upstream does on every redemption.
 // The `SsoAuth` will ensure that the user is authorized only once.
 pub async fn exchange_code(
    code: &OIDCCode,
@@ -256,6 +257,7 @@ pub async fn exchange_code(
    };

    if let Some(authenticated_user) = sso_auth.auth_response.clone() {
+        Client::check_client_verifier(&client_verifier, &sso_auth)?;
        return Ok((sso_auth, authenticated_user));
    }

@@ -212,6 +212,16 @@ impl Client {
        Ok((auth_url, SsoAuth::new(state, client_challenge, nonce.secret().clone(), redirect_uri, binding_hash)))
    }

+    // Check the client's PKCE verifier against the challenge it sent when starting the flow
+    pub fn check_client_verifier(client_verifier: &OIDCCodeVerifier, sso_auth: &SsoAuth) -> EmptyResult {
+        let verifier = PkceCodeVerifier::new(client_verifier.to_string());
+        let challenge = PkceCodeChallenge::from_code_verifier_sha256(&verifier);
+        if challenge.as_str() != &*sso_auth.client_challenge {
+            err!("PKCE client challenge failed")
+        }
+        Ok(())
+    }
+
    pub async fn exchange_code(
        &self,
        code: OIDCCode,
@@ -234,15 +244,10 @@ impl Client {

        let mut exchange = self.core_client.exchange_code(oidc_code);

-        let verifier = PkceCodeVerifier::new(client_verifier.into());
        if CONFIG.sso_pkce() {
-            exchange = exchange.set_pkce_verifier(verifier);
+            exchange = exchange.set_pkce_verifier(PkceCodeVerifier::new(client_verifier.into()));
        } else {
-            let challenge = PkceCodeChallenge::from_code_verifier_sha256(&verifier);
-            if challenge.as_str() != String::from(sso_auth.client_challenge.clone()) {
-                err!("PKCE client challenge failed")
-                // Might need to notify admin ? how ?
-            }
+            Self::check_client_verifier(&client_verifier, sso_auth)?;
        }

        match exchange.request_async(&self.http_client).await {
@@ -4,10 +4,10 @@
 *
 * To rebuild or modify this file with the latest versions of the included
 * software please visit:
- *   https://datatables.net/download/#bs5/dt-3.0.4
+ *   https://datatables.net/download/#bs5/dt-3.1.3
 *
 * Included libraries:
- *   DataTables 3.0.4
+ *   DataTables 3.1.3
 */

 /*! DataTables Bootstrap 5 integration
@@ -0,0 +1,9 @@
+Two-Step Login Recovered From {{ip}}
+<!---------------->
+Two-step login on your account has been disabled by using the account's recovery code.
+
+* Date: {{datetime}}
+* IP Address: {{ip}}
+
+If you did not perform this action, you should immediately take steps to secure your account.
+{{> email/email_footer_text }}
@@ -0,0 +1,26 @@
+Two-Step Login Recovered From {{ip}}
+<!---------------->
+{{> email/email_header }}
+<table width="100%" cellpadding="0" cellspacing="0" style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+      <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
+         Two-step login on your account has been disabled by using the account's recovery code.
+      </td>
+   </tr>
+   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+      <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
+         <b>Date:</b> {{datetime}}
+      </td>
+   </tr>
+   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+      <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
+         <b>IP Address:</b> {{ip}}
+      </td>
+   </tr>
+   <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+      <td class="content-block last" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0; -webkit-text-size-adjust: none;" valign="top">
+         If you did not perform this action, you should immediately take steps to secure your account.
+      </td>
+   </tr>
+</table>
+{{> email/email_footer }}
@@ -42,45 +42,27 @@ a[href$="/settings/sponsored-families"] {
 {{/if}}

 /* Hide the `Enterprise Single Sign-On` button on the login page */
-{{#if (webver ">=2025.5.1")}}
 {{#if (not sso_enabled)}}
 .vw-sso-login {
  @extend %vw-hide;
 }
 {{/if}}
-{{else}}
-app-root ng-component > form > div:nth-child(1) > div > button[buttontype="secondary"].\!tw-text-primary-600:nth-child(4) {
-  @extend %vw-hide;
-}
-{{/if}}

 /* Hide the `Log in with passkey` settings */
 app-user-layout app-password-settings app-webauthn-login-settings {
  @extend %vw-hide;
 }
 /* Hide Log in with passkey on the login page */
-{{#if (webver ">=2025.5.1")}}
 .vw-passkey-login {
  @extend %vw-hide;
 }
-{{else}}
-app-root ng-component > form > div:nth-child(1) > div > button[buttontype="secondary"].\!tw-text-primary-600:nth-child(3) {
-  @extend %vw-hide;
-}
-{{/if}}

 /* Hide the or text followed by the two buttons hidden above */
-{{#if (webver ">=2025.5.1")}}
 {{#if (or (not sso_enabled) sso_only)}}
 .vw-or-text {
  @extend %vw-hide;
 }
 {{/if}}
-{{else}}
-app-root ng-component > form > div:nth-child(1) > div:nth-child(3) > div:nth-child(2) {
-  @extend %vw-hide;
-}
-{{/if}}

 /* Hide the `Other` button on the login page */
 {{#if (or (not sso_enabled) sso_only)}}
@@ -154,17 +136,10 @@ ng-dropdown-panel div.ng-dropdown-panel-items div:has(> [title="DuckDuckGo"]) {
  take a while for the change to take effect. To avoid the button appearing
  when it shouldn't, we'll keep this style in place for a couple of versions */
 /* Hide the register link on the login screen */
-{{#if (webver "<2025.3.0")}}
-app-login form div + div + div + div + hr,
-app-login form div + div + div + div + hr + p {
-  @extend %vw-hide;
-}
-{{else}}
 app-root a[routerlink="/signup"] {
  @extend %vw-hide;
 }
 {{/if}}
-{{/if}}

 {{#if remember_2fa_disabled}}
 /* Hide checkbox to remember 2FA token for 30 days */
@@ -220,6 +195,13 @@ auth-input-password > form > bit-form-field:nth-child(4) {
  @extend %vw-hide;
 }
 {{/unless}}
+
+{{#unless email_change_allowed}}
+/* Hide the whole `Change email` section, including its heading, if not allowed */
+div:has(> app-change-email) {
+  @extend %vw-hide;
+}
+{{/unless}}
 /**** End Dynamic Vaultwarden Changes ****/
 /**** Include a special user stylesheet for custom changes ****/
 {{#if load_user_scss}}
@@ -380,7 +380,7 @@ pub fn get_display_size(size: i64) -> String {
    let mut unit_counter = 0;

    loop {
-        if size > 1024. {
+        if size > 1024. && unit_counter < UNITS.len() - 1 {
            size /= 1024.;
            unit_counter += 1;
        } else {
@@ -522,8 +522,8 @@ pub fn format_datetime_http(dt: &DateTime<Local>) -> String {
    expiry_time.to_rfc2822().replace("+0000", "GMT")
 }

-pub fn parse_date(date: &str) -> NaiveDateTime {
-    DateTime::parse_from_rfc3339(date).unwrap().naive_utc()
+pub fn parse_date(date: &str) -> Option<NaiveDateTime> {
+    DateTime::parse_from_rfc3339(date).ok().map(|dt| dt.naive_utc())
 }

 /// Returns true or false if an email address is valid or not
@@ -943,15 +943,15 @@ mod tests {
    use std::net::IpAddr;

    #[test]
-    #[ignore]
+    #[ignore = "exhaustive IPv4 check is too slow for the regular test suite"]
    fn test_ipv4_global() {
        for a in 0..u8::MAX {
-            println!("Iter: {}/255", a);
+            println!("Iter: {a}/255");
            for b in 0..u8::MAX {
                for c in 0..u8::MAX {
                    for d in 0..u8::MAX {
                        let ip = IpAddr::V4(std::net::Ipv4Addr::new(a, b, c, d));
-                        assert_eq!(ip.is_global(), is_global_hardcoded(ip), "IP mismatch: {}", ip)
+                        assert_eq!(ip.is_global(), is_global_hardcoded(ip), "IP mismatch: {ip}");
                    }
                }
            }
@@ -959,15 +959,15 @@ mod tests {
    }

    #[test]
-    #[ignore]
+    #[ignore = "random IPv6 check is too slow for the regular test suite"]
    fn test_ipv6_global() {
-        use rand::Rng;
+        use rand::RngExt;

        std::thread::scope(|s| {
            for t in 0..16 {
-                let handle = s.spawn(move || {
+                let _handle = s.spawn(move || {
                    let mut v = [0u8; 16];
-                    let mut rng = rand::thread_rng();
+                    let mut rng = rand::rng();

                    for i in 0..20 {
                        println!("Thread {t} Iter: {i}/50");
Author	SHA1	Message	Date
Daniel García	04b3355283	Implement V2 key rotation support	2026-10-05 22:12:26 +02:00
Daniel García	17cf7574b9	Implement V2 registration support	2026-10-05 22:12:24 +02:00
Daniel García	a0a20411f0	Support blob-encrypted ciphers and match upstream's key id checks	2026-10-05 21:56:07 +02:00
Mathijs van Veluw	7c188967e7	Update crates, Rust and other dependencies (#7814 ) - Update Rust to v1.99.0 - Updated GitHub Actions - Updated DataTables Signed-off-by: BlackDex <black.dex@gmail.com>	2026-10-05 14:39:21 +02:00
Daniel García	895ec2b1e7	Align API behaviour with upstream and return errors on malformed input (#7810 ) - Attachments: reject a declared v2 attachment size above the upload limit, keep display sizes within the largest unit, and make download links valid for 1 minute like upstream. - Ciphers: moving a personal cipher into an organization needs collection write access or full access, like upstream. - Events: /events/collect only accepts the client event types upstream accepts. - Client IP: for list headers like X-Forwarded-For, use the rightmost address that isn't in IP_HEADER_TRUSTED_PROXIES, reading every occurrence. - Prelogin: unknown emails get stable KDF settings from upstream's list. - Login with device: an auth request can be used for one login, like upstream. - Directory Connector import: never revokes, restores or removes Owners, like upstream. - SSO: check the PKCE verifier again when the code exchange is reused during 2FA, and accept the same redirect URIs as upstream (desktop localhost callback for AppImage and dev builds, CLI on ports 8065-8070). - Identity: send the merged master password policy in the 2FA response and use PascalCase policy keys in identity responses, like upstream. Organization API key login no longer needs device fields. Recovery code login normalises the code, uses upstream's error message, logs a failed 2FA event and sends a "two-step login recovered" email. - Add GET /api/accounts/keys. - Return errors instead of panicking on malformed event dates, cipher data, key rotation cipher ids, bulk confirm entries and YubiKey OTPs.	2026-10-05 14:38:01 +02:00
Daniel García	1f99d9d276	Remove legacy API endpoints and compatibility code dropped upstream (#7809 ) Remove endpoints, response fields, feature flags and compatibility code that upstream Bitwarden has removed and that no current client uses: - Legacy POST /identity/accounts/register and POST /api/accounts/prelogin; register/finish is rate limited like the other unauthenticated endpoints. - Legacy organization routes: PUT groups/{id}/users, PUT policies/{type}/vnext, PUT users/{id}/reset-password, GET billing/metadata, and the POST aliases of the organization, collection, group and member PUT/DELETE routes. - POST /two-factor/disable (PUT stays). - ResetMasterPassword, captchaBypassToken, the legacy registration name field, userIsManagedByOrganization/managedByOrganization and accessAll. - The automatic email 2FA code for clients older than 2025.5.0. - DUO_USE_IFRAME and the Duo Traditional Prompt code. - Experimental client feature flags that no client reads anymore. - Web vault CSS selectors for web vaults older than 2025.5.1. Also accept the PascalCase fields Android 2026.9.0+ sends on registration and password change, and align a few account, login/2FA and organization checks with upstream. Adds tests for the registration body formats.	2026-10-04 22:16:55 +02:00
Daniel García	f4f1a8e105	Send API cleanup: remove legacy endpoints and align access with upstream (#7806 )	2026-10-03 23:05:56 +02:00
Timshel Timshel Mathijs van Veluw	1c89e1772b	2fa email fallback need a verified email (#7770 ) Co-authored-by: Timshel <timshel@users.noreply.github.com> Co-authored-by: Mathijs van Veluw <black.dex@gmail.com>	2026-10-03 14:01:26 +02:00
Tom	3714b504f6	Fix Clippy warnings across all targets (#7782 )	2026-10-03 13:50:29 +02:00
Tom	f9f011d50c	Hide the whole change-email section when EMAIL_CHANGE_ALLOWED is false (#7759 )	2026-10-03 13:49:53 +02:00
Julian Speckmann	cb89088bc3	Add Windows native credential sync to supported feature flags (#7798 )	2026-10-03 13:49:44 +02:00
Pier Carlo Cadoppi	4444442075	Add `undetermined-cipher-scenario-logic` feature flag (#7802 ) Introduced in Browser 2026.2.0 via bitwarden/clients#18395. Rewrites the post-submit add/update login notification triggering logic, deferring cipher-type inference until the vault is unlocked. Client-side only.	2026-10-03 13:49:37 +02:00
Mathijs van Veluw	061694d0cb	Fix cortex-a53 build issues when using xx-cargo (#7774 ) When using xx-cargo it uses a different linker then the default one. This causes some default fixes Debian/Ubuntu add for the Cortex-A53 architectures to not be included. This commit fixes that by checking if the target architecture is arm64 and if so, will add the needed fix argument. This should prevent issues reported here #7754. We can not say this with 100% certainty since this bug sometimes appears and sometimes it does not. Fixes #7754 Signed-off-by: BlackDex <black.dex@gmail.com>	2026-09-25 21:53:06 +02:00