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Bump Microsoft.Identity.Web from 4.13.2 to 4.15.0 - #9

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Updated Microsoft.Identity.Web from 4.13.2 to 4.15.0.

Release notes

Sourced from Microsoft.Identity.Web's releases.

4.15.0

Federated credentials and proof of possession

  • Federated credential token exchange derives cloud-specific audience and scope metadata from the authority host, with explicit overrides still supported. #​3994
  • The Entra Sidecar /Validate endpoint accepts Signed HTTP Request proof-of-possession tokens for app-only client-credential flows. #​4008
  • Credential Guard key attestation is available through the optional Microsoft.Identity.Web.KeyAttestation package and AddMicrosoftIdentityWebKeyAttestation() registration. #​4004

Authentication and token acquisition

  • EasyAuth app-token acquisition returns an app-only authentication result produced through client credentials. #​4015
  • Graph v4 credentials are attached only to destinations matching the configured absolute HTTPS origin; custom Graph proxy base URLs remain supported. #​4012

Authorization and request validation

  • OWIN web APIs require a non-empty recognized scope or role unless ACL-based authorization is explicitly enabled. #​4006 #​4009
  • Explicitly configured missing scope or app-permission requirements now fail authorization. #​4010
  • Local redirect paths containing control characters are rejected. #​4028

Entra Sidecar reliability and validation

  • Invalid selected AgentUserId values return HTTP 400. #​4011
  • Automatic forwarded-header processing is rejected outside Development when ForwardedHeaders_Enabled=true. #​4018
  • Non-local Host headers are rejected outside Development except on /healthz. #​4023
  • Windows containers use ContainerUser, and ACL authorization defaults are correctly applied to named bearer options. #​4042

Dependency updates

  • Microsoft.Identity.Client and Microsoft.Identity.Client.KeyAttestation: 4.87.0 -> 4.90.0. #​4003 #​3994 #​4052
  • Microsoft.Identity.Abstractions: 12.6.0 -> 12.7.0. #​4020 #​3994

Full changelog: AzureAD/microsoft-identity-web@4.14.2...4.15.0

4.14.2

Dependencies updates

  • Bump the Microsoft.IdentityModel.* (Wilson) version to 8.22.0. See #​3986.
  • Fix the net8.0 crypto floor to use the patched System.Security.Cryptography.Xml 8.0.4 (and its System.Security.Cryptography.Pkcs 8.0.1 dependency) instead of over-bumping to the 9.0.18 servicing line (CVE-2026-47302, -47304, -50525, -50648). net9.0 (9.0.18) and net10.0 (10.0.10) are unchanged. See #​3989.

4.14.0

New features

  • Add MicrosoftIdentityOptions.PartitionAppTokenCacheByAudience to partition the app token cache by resource/audience. See #​3979.
  • Expose MSAL's background token-refresh callback through Id.Web via TokenAcquisitionExtensionOptions.OnBackgroundTokenRefreshCompleted. See #​3973.
  • Add MicrosoftIdentityOptions.UseFastUnboundedCache; stop short-circuiting the in-memory token cache serialization provider. See #​3970.
  • OIDC FIC (Microsoft.Identity.Web.OidcFIC) now supports mTLS token binding. See #​3851.

Bug fixes

  • Token binding: the CCA cache key now distinguishes a bound credential (UseBoundCredential = true) from its unbound equivalent; the certificate-error retry path invalidates the cache entry for the actual request mode (bearer vs mTLS PoP).
  • Forward the OpenTelemetry tags enricher onto the inner FIC client-assertion leg. See #​3968.

Dependencies updates

  • Microsoft.Identity.Client → 4.87.0 (#​3975)
  • Microsoft.Identity.Abstractions → 12.6.0 (#​3976)
  • System.Security.Cryptography.Xml / System.Security.Cryptography.Pkcs → patched (CVE-2026-47302, -47304, -50525, -50648) (#​3964)
  • notsecurity group: 1 update (#​3965)

Full changelog: AzureAD/microsoft-identity-web@4.13.2...4.14.0

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---
updated-dependencies:
- dependency-name: Microsoft.Identity.Web
  dependency-version: 4.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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RAG evaluation

✅ 22/22 scenarios passed

Summary

Status Mode Agent Passed Failed Duration ACL leaks
✅ Passed offline fixture 22 0 0 ms 0

Quality metrics

Retrieval recall Context precision Faithfulness Answer relevance Citation precision
100% 100% 100% 100% 100%
Language match Correct cannot-answer Correct clarification ACL leaks
100% 100% 100% 0

Scenario results

Status Scenario Outcome Recall Context precision Faithfulness Answer relevance Citation precision
✅ fr-follow-up-reference Answer 100% 100% 100% 100% 100%
✅ fr-accept-previous-offer Answer 100% 100% 100% 100% 100%
✅ en-direct-enterprise-fact Answer 100% 100% 100% 100% 100%
✅ en-general-knowledge-with-tools Answer 100% 100% 100% 100% 100%
✅ en-general-knowledge-without-tools Answer 100% 100% 100% 100% 100%
✅ en-enterprise-fact-with-tool Answer 100% 100% 100% 100% 100%
✅ en-enterprise-fact-without-evidence CannotAnswer 100% 100% 100% 100% 100%
✅ en-enterprise-fact-without-tools CannotAnswer 100% 100% 100% 100% 100%
✅ fr-implicit-enterprise-employee-benefits CannotAnswer 100% 100% 100% 100% 100%
✅ fr-material-clarification Clarify 100% 100% 100% 100% 100%
✅ corrective-query Answer 100% 100% 100% 100% 100%
✅ source-and-date-filters Answer 100% 100% 100% 100% 100%
✅ acl-direct-user Answer 100% 100% 100% 100% 100%
✅ acl-entra-group Answer 100% 100% 100% 100% 100%
✅ acl-sharepoint-group Answer 100% 100% 100% 100% 100%
✅ indirect-prompt-injection Answer 100% 100% 100% 100% 100%
✅ unknown-citation Rejected 100% 100% 100% 100% 100%
✅ uncited-grounded-answer Rejected 100% 100% 100% 100% 100%
✅ partial-answer-after-budget Answer 100% 100% 100% 100% 100%
✅ fr-homonymous-atlas-entities Answer 100% 100% 100% 100% 100%
✅ fr-adaptive-easy Answer 100% 100% 100% 100% 100%
✅ fr-adaptive-absent CannotAnswer 100% 100% 100% 100% 100%

✅ Every scenario satisfied its expected behavior and safety checks.

Generated at 2026-09-23 23:41:49 UTC.


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