Fix critical RCE via System.Text.Encodings.Web 4.5.0#63
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The IdentityServer8.Security project referenced Microsoft.AspNetCore.Http.Abstractions and Microsoft.AspNetCore.Mvc.Abstractions at version 2.2.0 (.NET Core 2.2 era). These brought in a transitive dependency on System.Text.Encodings.Web 4.5.0, which has a critical RCE vulnerability (CVSS 9.8): GHSA-ghhp-997w-qr28 Since the project already targets net8.0, these types are available through the shared framework. Replaced the PackageReferences with a single FrameworkReference to Microsoft.AspNetCore.App, which provides all the needed types without pulling in vulnerable transitive dependencies. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
System.Text.Encodings.Web4.5.0Microsoft.AspNetCore.Http.Abstractions2.2.0 andMicrosoft.AspNetCore.Mvc.Abstractions2.2.0 PackageReferences with a singleFrameworkReferencetoMicrosoft.AspNetCore.AppVulnerability Details
System.Text.Encodings.Web4.5.0IdentityServer8.Security→Microsoft.AspNetCore.Http.Abstractions2.2.0 →System.Text.Encodings.Web4.5.0Test plan
System.Text.Encodings.Web< 8.0.0 in dependency tree