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CVE-2026-19118

Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
GitHub / Enterprise Serveraffected 3.17.0 through 3.17.19; affected 3.18.0 through 3.18.13; affected 3.19.0 through 3.19.10; affected 3.20.0 through 3.20.6; affected 3.21.0 through 3.21.4; unaffected 3.22.0

CWE

CWE-367

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.