Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff in a re-opened Pull Request. To exploit this vulnerability, an attacker would need write access to the repository. This vulnerability was reported via the GitHub Bug Bounty Program https://bounty.github.com/ .
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GitHub | Enterprise Server | 3.6.0 to before 3.6.16; 3.7.0 to before 3.7.13; 3.8.0 to before 3.8.6; 3.9.0 to before 3.9.1 | 3.6.16, 3.7.13, 3.8.6, 3.9.1 | Patch available | CNA |
- Enterprise Server VendorGitHub Affected 3.6.0 to before 3.6.16; 3.7.0 to before 3.7.13; 3.8.0 to before 3.8.6; 3.9.0 to before 3.9.1 Fixed in 3.6.16, 3.7.13, 3.8.6, 3.9.1 Patch available CNA
Remediation
- Fix · CNA Enterprise Server (GitHub) Fixed in 3.6.16, 3.7.13, 3.8.6, 3.9.1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23765
- 2026-10-03 Alias added: GHSA-wj8c-rxgm-9jcm
References
More GitHub Enterprise Server vulnerabilities
- TI-2024-04632 An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES)… CVSS 4.0CRITICAL 10.0
- TI-2024-00181 Unsafe Reflection in Github Enterprise Server leading to Command Injection CVSS 3.1CRITICAL 9.8
- TI-2024-00466 Privilege Escalation by Code Injection in the Management Console in GitHub Enterprise Server CVSS 3.1HIGH 8.8
- TI-2026-03340 Remote code execution via git push option injection in GitHub Enterprise Server CVSS 4.0HIGH 8.7
- TI-2024-08804 Improper signature verification in GitHub Enterprise Server CVSS 4.0CRITICAL 9.5
- TI-2026-08177 Server-side request forgery in GitHub Enterprise Server CVSS 4.0CRITICAL 9.2
Sources
- CVE-2023-23765 · CVE Program
- CVE-2023-23765 · NVD
- FIRST EPSS
- GHSA-wj8c-rxgm-9jcm · GitHub Advisory Database · CC BY 4.0
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