CVE-2023-6803 json
Race Condition allows Unauthorized Outside Collaborator
published 2023-12-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59014
- cvss
- 5.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Patch / fix
- GitHub Enterprise Server 3.8.12, 3.9.7, 3.10.4, 3.11.1
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.8 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L |
| NVD | 3.1 | 4.0 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N |
Affected products
- GitHub Enterprise Server
Classification
- Weakness
-
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
References
-
docs.github.com
/en/enterprise-server@3.8/admin/release-notes#3.8.12
release-notes
-
docs.github.com
/en/enterprise-server@3.9/admin/release-notes#3.9.7
release-notes
-
docs.github.com
/en/enterprise-server@3.10/admin/release-notes#3.10.4
release-notes
-
docs.github.com
/en/enterprise-server@3.11/admin/release-notes#3.11.1
release-notes
Sources
- CVE List CVE-2023-6803
- NVD CVE-2023-6803
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