CVE-2026-45591
4 advisories.
NuGet/Microsoft.AspNetCore.App.Runtime.linux-x64 CVE-2026-45591: high 7.5, EPSS 2.44%
Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability
Action: Upgrade Microsoft.AspNetCore.App.Runtime.linux-x64 to 8.0.28 (8.x), 9.0.17 (9.x) or 10.0.9 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 8.0.0 | 8.0.28 | - |
| 9.0.0 | 9.0.17 | - |
| 10.0.0 | 10.0.9 | - |
Fixed versions
| 8.0.28 | 9.0.17 | 10.0.9 |
Sources
- osv: GHSA-f8h2-vmm9-qhj6
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-f8h2-vmm9-qhj6
- https://nvd.nist.gov/vuln/detail/CVE-2026-45591
- https://github.com/dotnet/announcements/issues/405
- https://github.com/dotnet/aspnetcore
- https://github.com/dotnet/aspnetcore/discussions/67100
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591
CVE-2026-45591 · published · modified · JSON
NuGet/Microsoft.AspNetCore.App.Runtime.win-x64 CVE-2026-45591: high 7.5, EPSS 2.44%
Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability
Action: Upgrade Microsoft.AspNetCore.App.Runtime.win-x64 to 8.0.28 (8.x), 9.0.17 (9.x) or 10.0.9 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 8.0.0 | 8.0.28 | - |
| 9.0.0 | 9.0.17 | - |
| 10.0.0 | 10.0.9 | - |
Fixed versions
| 8.0.28 | 9.0.17 | 10.0.9 |
Sources
- osv: GHSA-f8h2-vmm9-qhj6#NuGet/Microsoft.AspNetCore.App.Runtime.win-x64
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-f8h2-vmm9-qhj6
- https://nvd.nist.gov/vuln/detail/CVE-2026-45591
- https://github.com/dotnet/announcements/issues/405
- https://github.com/dotnet/aspnetcore
- https://github.com/dotnet/aspnetcore/discussions/67100
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591
CVE-2026-45591 · published · modified · JSON
NuGet/Microsoft.AspNetCore.App.Runtime.osx-arm64 CVE-2026-45591: high 7.5, EPSS 2.44%
Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability
Action: Upgrade Microsoft.AspNetCore.App.Runtime.osx-arm64 to 8.0.28 (8.x), 9.0.17 (9.x) or 10.0.9 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 8.0.0 | 8.0.28 | - |
| 9.0.0 | 9.0.17 | - |
| 10.0.0 | 10.0.9 | - |
Fixed versions
| 8.0.28 | 9.0.17 | 10.0.9 |
Sources
- osv: GHSA-f8h2-vmm9-qhj6#NuGet/Microsoft.AspNetCore.App.Runtime.osx-arm64
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-f8h2-vmm9-qhj6
- https://nvd.nist.gov/vuln/detail/CVE-2026-45591
- https://github.com/dotnet/announcements/issues/405
- https://github.com/dotnet/aspnetcore
- https://github.com/dotnet/aspnetcore/discussions/67100
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591
CVE-2026-45591 · published · modified · JSON
NuGet/Microsoft.AspNetCore.SignalR.Protocols.MessagePack CVE-2026-45591: high 7.5, EPSS 2.44%
Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability
Action: Upgrade Microsoft.AspNetCore.SignalR.Protocols.MessagePack to 8.0.28 (8.x), 9.0.17 (9.x) or 10.0.9 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 8.0.0 | 8.0.28 | - |
| 9.0.0 | 9.0.17 | - |
| 10.0.0 | 10.0.9 | - |
Fixed versions
| 8.0.28 | 9.0.17 | 10.0.9 |
Sources
- osv: GHSA-f8h2-vmm9-qhj6#NuGet/Microsoft.AspNetCore.SignalR.Protocols.MessagePack
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-f8h2-vmm9-qhj6
- https://nvd.nist.gov/vuln/detail/CVE-2026-45591
- https://github.com/dotnet/announcements/issues/405
- https://github.com/dotnet/aspnetcore
- https://github.com/dotnet/aspnetcore/discussions/67100
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591
CVE-2026-45591 · published · modified · JSON