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Bump Microsoft.Identity.Web from 4.8.0 to 4.9.0#8626

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dependabot/nuget/sample-api/api/src/Microsoft.Identity.Web-4.9.0
May 20, 2026
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Bump Microsoft.Identity.Web from 4.8.0 to 4.9.0#8626
baywet merged 1 commit into
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dependabot/nuget/sample-api/api/src/Microsoft.Identity.Web-4.9.0

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@dependabot dependabot Bot commented on behalf of github May 2, 2026

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Updated Microsoft.Identity.Web from 4.8.0 to 4.9.0.

Release notes

Sourced from Microsoft.Identity.Web's releases.

4.9.0

New features

  • Sidecar: per-route override gating. New Sidecar:AllowOverrides configuration section provides explicit, per-route control over whether optionsOverride.* query-string parameters are honored. Authenticated routes default to allowing overrides (preserving existing behavior); unauthenticated routes default to rejecting them. optionsOverride.BaseUrl is unconditionally rejected on all routes as a hardening measure. See #​3794.

Bug fixes

  • Fix AccountController.Challenge redirect URI validation to reject percent-encoded protocol-relative bypasses (%2F%2F, %5C%2F, etc.) that could be decoded by misconfigured reverse proxies. See #​3792.

Behavior changes

  • DownstreamApi: reserved header filtering. Headers supplied via DownstreamApiOptions.ExtraHeaderParameters whose names match reserved HTTP headers (Authorization, Host, Content-Length, Proxy-Authorization, Sec-*, Proxy-*, etc.) or duplicate a header the library already set are now silently skipped. A warning-level log entry (ReservedHeaderIgnored / DuplicateHeaderIgnored) is emitted so operators can spot misconfigurations. No exception is thrown. See #​3793.

Dependencies updates

  • Update Azure.Identity 1.11.4 → 1.17.2 and establish Microsoft.Extensions.* 8.0.x minimum on older TFMs. Azure.Identity 1.17.2 (sovereign-cloud fixes) pulls in Azure.Core 1.50.0, which introduces a transitive dependency on Microsoft.Extensions.DependencyInjection.Abstractions 8.0.2 on non-framework-coupled TFMs (net462, net472, netstandard2.0). This caused a CS0433 type collision with the previously-pinned Microsoft.Extensions.DependencyInjection 2.1.0. Rather than patch individual packages, the entire Microsoft.Extensions.* stack on these older TFMs has been bumped to 8.0.x, closing several 5-year version gaps and aligning with the net8.0 baseline. If your application targets net462, net472, or netstandard2.0, your resolved Microsoft.Extensions.* versions will increase (e.g., Extensions.Http 3.1.3 → 8.0.0, Extensions.DependencyInjection 2.1.0 → 8.0.0, Extensions.Caching.Memory 2.1.0/6.0.2 → 8.0.1). Applications already targeting net8.0+ are unaffected. See #​3787.
  • Bump System.Text.Json 8.0.5 → 8.0.6 (CVE-2024-43485). See #​3787.
  • Bump Microsoft.AspNetCore.DataProtection to 10.0.7 for CVE fix on net10.0. See #​3796.
  • Bump OpenTelemetry.Exporter.OpenTelemetryProtocol 1.14.0 → 1.15.3. See #​3788.

Full Changelog: AzureAD/microsoft-identity-web@4.8.0...4.9.0

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@dependabot dependabot Bot added .NET Pull requests that update .net code dependencies Pull requests that update a dependency file labels May 2, 2026
@dependabot dependabot Bot requested a review from a team as a code owner May 2, 2026 00:42
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file .NET Pull requests that update .net code labels May 2, 2026
---
updated-dependencies:
- dependency-name: Microsoft.Identity.Web
  dependency-version: 4.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/nuget/sample-api/api/src/Microsoft.Identity.Web-4.9.0 branch from 22a4e37 to fe3285d Compare May 20, 2026 13:02
@baywet baywet merged commit 5fa0612 into main May 20, 2026
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@baywet baywet deleted the dependabot/nuget/sample-api/api/src/Microsoft.Identity.Web-4.9.0 branch May 20, 2026 13:02
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