CVE-2026-70179
1 advisory.
NuGet/Microsoft.AspNetCore.Authentication.Negotiate CVE-2026-70179: high 7.5
Microsoft Security Advisory CVE-2026-70179 - ASP.NET Core Elevation of Privilege Vulnerability
Action: Upgrade Microsoft.AspNetCore.Authentication.Negotiate to 8.0.32 (8.x), 9.0.21 (9.x) or 10.0.13 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 10.0.0 | 10.0.13 | - |
| 8.0.0 | 8.0.32 | - |
| 9.0.0 | 9.0.21 | - |
Fixed versions
| 10.0.13 | 8.0.32 | 9.0.21 |
Sources
- osv: GHSA-vrrp-6v32-2p8g
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-vrrp-6v32-2p8g
- https://nvd.nist.gov/vuln/detail/CVE-2026-70179
- https://github.com/dotnet/announcements/issues/458
- https://github.com/dotnet/aspnetcore
- https://github.com/dotnet/aspnetcore/discussions/69794
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70179
CVE-2026-70179 · published · modified · JSON