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, 3.21.5, and 3.22.0. This vulnerability was reported via the GitHub Bug Bounty program.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 01 Sep 2026 23:45:00 +0000
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| First Time appeared |
Github
Github enterprise Server |
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| Vendors & Products |
Github
Github enterprise Server |
Tue, 01 Sep 2026 22:00:00 +0000
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| Description | 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, 3.21.5, and 3.22.0. This vulnerability was reported via the GitHub Bug Bounty program. | |
| Title | Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution | |
| Weaknesses | CWE-367 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: GitHub_P
Published:
Updated: 2026-09-01T21:55:04.441Z
Reserved: 2026-08-06T14:46:19.378Z
Link: CVE-2026-19118
No data.
Status : Received
Published: 2026-09-01T22:17:11.010
Modified: 2026-09-01T22:17:11.010
Link: CVE-2026-19118
No data.
OpenCVE Enrichment
Updated: 2026-09-01T23:30:05Z
Weaknesses