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dotnet: .NET: Local file tampering via link following vulnerability

🗓️ 29 Jun 2026 18:18:25Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Dotnet tar library flaw allows following symbolic links during extraction, enabling writes off path.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : aspnetcore-runtime-10.0, aspnetcore-runtime-dbg-10.0, aspnetcore-targeting-pack-10.0 (ALAS2023-2026-1867)
22 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 (ALAS2023-2026-1868)
22 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : aspnetcore-runtime-8.0, aspnetcore-runtime-dbg-8.0, aspnetcore-targeting-pack-8.0 (ALAS2023-2026-1869)
22 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : .NET 8.0 (ALSA-2026:25110)
11 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : .NET 8.0 (ALSA-2026:25111)
11 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : .NET 9.0 (ALSA-2026:25112)
11 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : .NET 9.0 (ALSA-2026:25113)
11 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : .NET 10.0 (ALSA-2026:25114)
11 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : .NET 10.0 (ALSA-2026:25115)
11 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : .NET 9.0 (ALSA-2026:25221)
12 Jun 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64aspnetcore-runtime-9.09.0.17-1.el9_6aspnetcore-runtime-9.0-9.0.17-1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64leaspnetcore-runtime-9.09.0.17-1.el9_6aspnetcore-runtime-9.0-9.0.17-1.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xaspnetcore-runtime-9.09.0.17-1.el9_6aspnetcore-runtime-9.0-9.0.17-1.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64aspnetcore-runtime-9.09.0.17-1.el9_6aspnetcore-runtime-9.0-9.0.17-1.el9_6.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64aspnetcore-runtime-dbg-9.09.0.17-1.el9_6aspnetcore-runtime-dbg-9.0-9.0.17-1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64leaspnetcore-runtime-dbg-9.09.0.17-1.el9_6aspnetcore-runtime-dbg-9.0-9.0.17-1.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xaspnetcore-runtime-dbg-9.09.0.17-1.el9_6aspnetcore-runtime-dbg-9.0-9.0.17-1.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64aspnetcore-runtime-dbg-9.09.0.17-1.el9_6aspnetcore-runtime-dbg-9.0-9.0.17-1.el9_6.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64aspnetcore-targeting-pack-9.09.0.17-1.el9_6aspnetcore-targeting-pack-9.0-9.0.17-1.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64leaspnetcore-targeting-pack-9.09.0.17-1.el9_6aspnetcore-targeting-pack-9.0-9.0.17-1.el9_6.ppc64le.rpm
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01 Jul 2026 21:04Current
7High risk
Vulners AI Score7
CVSS 3.15.5 - 6.2
EPSS0.00388
SSVC
CWE-59
dotnet tar vulnerabilitysymbolic links flawextraction path bypasstar library issuelocal file tampering
6