high7.5
CVE-2026-56170
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Impact
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Microsoft.AspNetCore.App.Runtime.linux-arm | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.osx-arm64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.osx-x64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-arm | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-arm64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-x64 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
| nuget | Microsoft.AspNetCore.App.Runtime.win-x86 | >= 10.0.0, <= 10.0.5 | 10.0.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | .Net | from 8.0.0 before 8.0.29 from 9.0.0 before 9.0.18 from 10.0.0 before 10.0.6 |
| Microsoft | .NET 10.0 Runtime | from 10.0.0 before 10.0.10 |
| Microsoft | .NET 8.0 Runtime | from 8.0.0 before 8.0.29 |
| Microsoft | .NET 9.0 Runtime | from 9.0.0 before 9.0.18 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-j8gr-8fp3-5q5h
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-j8gr-8fp3-5q5h
- https://nvd.nist.gov/vuln/detail/CVE-2026-56170
- https://github.com/dotnet/announcements/issues/424
- https://github.com/dotnet/aspnetcore/discussions/67787
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56170