Back
CVE-2023-6803Race Condition allows Unauthorized Outside Collaborator
- 5.8MediumCVSS base score
- 0.17%Exploitation in 30 daysEPSS · top 94% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By GitHub_P
- 8 days later
· 8 days later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_PCNA (assigner) | 3.1 | Medium5.8 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L |
| NVDNVD · Modified | 3.1 | Medium4.0 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Affected products
- affected 3.8 – ≤ 3.8.11
- affected 3.9 – ≤ 3.9.6
- affected 3.10 – ≤ 3.10.3
- affected 3.11 – ≤ 3.11.0
References
References4
- https://docs.github.com/en/[email protected]/admin/release-notes#3.8.12 (opens in a new tab)x_transferred
- https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7 (opens in a new tab)x_transferred
- https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4 (opens in a new tab)x_transferred
- https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-59014 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-6803)Record last updated .