Microsoft.AspNetCore.Components.WebAssembly.Server
HighNuGetCVE-2026-102870
What to do
Update Microsoft.AspNetCore.Components.WebAssembly.Server to 10.0.13 or later.
dotnet add package Microsoft.AspNetCore.Components.WebAssembly.Server --version 10.0.13
A remote code execution flaw affects the NuGet package Microsoft.AspNetCore.Components.WebAssembly.Server. Affected versions: >= 10.0.0, <= 10.0.12. Fixed from version 10.0.13. CVSS score 8.8.
What the flaw allows: An attacker can make the service run their own code.
- Package
- Microsoft.AspNetCore.Components.WebAssembly.Server
- Ecosystem
- NuGet (.NET)
- Class
- Remote code execution
- Affected versions
- >= 10.0.0, <= 10.0.12
- CVSS
- 8.8
- Published on
- October 13, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.