CVE-2026-19118Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution

Beschreibung

A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.22 and was fixed in versions 3.17.20, 3.18.14, 3.19.11, 3.20.7, and 3.21.5. This vulnerability was reported via the GitHub Bug Bounty program.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.20 release-notesRelease NotesVendor Advisory
• https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.14 release-notesRelease NotesVendor Advisory
• https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.11 release-notesRelease NotesVendor Advisory
• https://docs.github.com/en/enterprise-server@3.20/admin/release-notes#3.20.7 release-notesRelease NotesVendor Advisory
• https://docs.github.com/en/enterprise-server@3.21/admin/release-notes#3.21.5 release-notesRelease NotesVendor Advisory