high7.5
CVE-2026-70159
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.SignalR.Common | >= 10.0.0, <= 10.0.12 | 10.0.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2026 Version 18.10 | from 18.10.0 before 18.10.4 |
| Microsoft | Microsoft.AspNetCore.SignalR.Common | from 10.0.0 before 10.0.13 |
| Microsoft | Microsoft Visual Studio 2022 Version 17.14 | from 17.14.0 before 17.14.42 |
| Microsoft | Microsoft.AspNetCore.SignalR.Core | from 1.0.0 before 1.2.14 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-334f-vvp4-7g6p
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-334f-vvp4-7g6p
- https://github.com/dotnet/announcements/issues/452
- https://github.com/dotnet/aspnetcore/discussions/69792
- https://nvd.nist.gov/vuln/detail/CVE-2026-70159
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70159