CVE-2026-45591GHSA-F8H2-VMM9-QHJ6BIT-ASPNET-CORE-2026-45591BIT-DOTNET-2026-45591BIT-DOTNET-SDK-2026-45591
ASP.NET Core Denial of Service Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10.0.9, 8.0.28, 9.0.17, 18.6.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Microsoft .NET 10.0
From 10.0.0 · fixed in 10.0.9
- Microsoft .NET 8.0
From 8.0.0 · fixed in 8.0.28
- Microsoft .NET 9.0
From 9.0.0 · fixed in 9.0.17
- Microsoft ASP.NET Core 10.0
From 10.0 · fixed in 10.0.9
- Microsoft ASP.NET Core 8.0
From 8.0 · fixed in 8.0.28
- Microsoft ASP.NET Core 9.0
From 9.0 · fixed in 9.0.17
- Microsoft Microsoft Visual Studio 2026 version 18.6
From 18.6.0 · fixed in 18.6.3
- Microsoft.AspNetCore.App.Runtime.linux-x64NuGet
From 8.0.0 · fixed in 8.0.28
- Microsoft.AspNetCore.App.Runtime.linux-x64NuGet
From 9.0.0 · fixed in 9.0.17
- Microsoft.AspNetCore.App.Runtime.linux-x64NuGet
From 10.0.0 · fixed in 10.0.9
- Microsoft.AspNetCore.App.Runtime.win-x64NuGet
From 8.0.0 · fixed in 8.0.28
- Microsoft.AspNetCore.App.Runtime.win-x64NuGet
From 9.0.0 · fixed in 9.0.17
- Microsoft.AspNetCore.App.Runtime.win-x64NuGet
From 10.0.0 · fixed in 10.0.9
- Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet
From 8.0.0 · fixed in 8.0.28
- Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet
From 9.0.0 · fixed in 9.0.17
- Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet
From 10.0.0 · fixed in 10.0.9
- Microsoft.AspNetCore.SignalR.Protocols.MessagePackNuGet
From 8.0.0 · fixed in 8.0.28
- Microsoft.AspNetCore.SignalR.Protocols.MessagePackNuGet
From 9.0.0 · fixed in 9.0.17
- Microsoft.AspNetCore.SignalR.Protocols.MessagePackNuGet
From 10.0.0 · fixed in 10.0.9