NuGet/System.Security.Cryptography.Cose CVE-2026-21218: high
Microsoft Security Advisory CVE-2026-21218 | .NET Security Feature Bypass Vulnerability
Action: Upgrade System.Security.Cryptography.Cose to 8.0.2 (8.x), 9.0.13 (9.x) or 10.0.3 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 8.0.0 | 8.0.2 | - |
| 9.0.0 | 9.0.13 | - |
| 10.0.0 | 10.0.3 | - |
Fixed versions
| 8.0.2 | 9.0.13 | 10.0.3 |
Sources
- osv: GHSA-qvhc-9v3j-5rfw
- https://github.com/dotnet/runtime/security/advisories/GHSA-qvhc-9v3j-5rfw
- https://nvd.nist.gov/vuln/detail/CVE-2026-21218
- https://github.com/dotnet/runtime
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21218
CVE-2026-21218 · published · modified · JSON