Skip to main content
← All vulnerabilities
CVE-2026-56170GHSA-J8GR-8FP3-5Q5HBIT-DOTNET-2026-56170BIT-DOTNET-SDK-2026-56170

ASP.NET Core Denial of Service Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.10, 8.0.29, 9.0.18, 10.0.6, 9.0.15, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Microsoft .NET 10.0 runtime

    From 10.0.0 · fixed in 10.0.10

  • Microsoft .NET 8.0 runtime

    From 8.0.0 · fixed in 8.0.29

  • Microsoft .NET 9.0 runtime

    From 9.0.0 · fixed in 9.0.18

  • Microsoft.AspNetCore.App.Runtime.linux-armNuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.linux-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.osx-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.win-armNuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.win-arm64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.win-x64NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.win-x86NuGet

    From 10.0.0 · fixed in 10.0.6

  • Microsoft.AspNetCore.App.Runtime.linux-armNuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.linux-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.osx-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.win-armNuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.win-arm64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.win-x64NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.win-x86NuGet

    From 9.0.0 · fixed in 9.0.15

  • Microsoft.AspNetCore.App.Runtime.linux-armNuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.linux-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.osx-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.win-armNuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.win-arm64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.win-x64NuGet

    From 8.0.0 · fixed in 8.0.26

  • Microsoft.AspNetCore.App.Runtime.win-x86NuGet

    From 8.0.0 · fixed in 8.0.26

References 1

msrc.microsoft.com