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dotnet: ASP.NET Core Security Feature Bypass Vulnerability

🗓️ 20 Oct 2026 23:03:01Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Inconsistent interpretation of http requests in ASP.NET Core allows security feature bypass.

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amazon
Amazon
Critical: dotnet9.0
22 Oct 202600:00
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amazon
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Critical: dotnet10.0
22 Oct 202600:00
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amazon
Amazon
Critical: dotnet8.0
22 Oct 202600:00
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AlmaLinux 10 : .NET 8.0 (ALSA-2026:86168)
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AlmaLinux 8 : .NET 9.0 (ALSA-2026:86170)
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AlmaLinux 9 : .NET 9.0 (ALSA-2026:86171)
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AlmaLinux 9 : .NET 10.0 (ALSA-2026:86193)
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AlmaLinux 10 : .NET 10.0 (ALSA-2026:86195)
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Oracle Linux 9 : .NET / 8.0 (ELSA-2026-86169)
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Oracle Linux 9 : .NET / 9.0 (ELSA-2026-86171)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64aspnetcore-runtime-10.010.0.13-1.el9_8aspnetcore-runtime-10.0-10.0.13-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64leaspnetcore-runtime-10.010.0.13-1.el9_8aspnetcore-runtime-10.0-10.0.13-1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xaspnetcore-runtime-10.010.0.13-1.el9_8aspnetcore-runtime-10.0-10.0.13-1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64aspnetcore-runtime-10.010.0.13-1.el9_8aspnetcore-runtime-10.0-10.0.13-1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64aspnetcore-runtime-dbg-10.010.0.13-1.el9_8aspnetcore-runtime-dbg-10.0-10.0.13-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64leaspnetcore-runtime-dbg-10.010.0.13-1.el9_8aspnetcore-runtime-dbg-10.0-10.0.13-1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xaspnetcore-runtime-dbg-10.010.0.13-1.el9_8aspnetcore-runtime-dbg-10.0-10.0.13-1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64aspnetcore-runtime-dbg-10.010.0.13-1.el9_8aspnetcore-runtime-dbg-10.0-10.0.13-1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64aspnetcore-targeting-pack-10.010.0.13-1.el9_8aspnetcore-targeting-pack-10.0-10.0.13-1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64leaspnetcore-targeting-pack-10.010.0.13-1.el9_8aspnetcore-targeting-pack-10.0-10.0.13-1.el9_8.ppc64le.rpm
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21 Oct 2026 04:36Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
EPSS0.00827
SSVC
3