Read the docs
TI-2023-09569 Aliases CVE-2023-23766GHSA-42m4-q6r2-jh92

Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling

Priority LOW 30CWE-697Published · Updated

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 do so, an attacker would need write access to the repository. This vulnerability affected all versions of GitHub Enterprise Server and was fixed in versions 3.6.17, 3.7.15, 3.8.8, 3.9.3, and 3.10.1. This vulnerability was reported via the GitHub Bug Bounty program.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00742 54th percentileScored 2026-11-07
Fix Fixed Enterprise Server (GitHub): 3.6.17, 3.7.15, 3.8.8 +2

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

VendorProductAffected versionsFixed inStatusSource
GitHubEnterprise Server3.6.0 to before 3.6.17; 3.7.0 to before 3.7.15; 3.8.0 to before 3.8.8; 3.9.0 to before 3.9.3; 3.10.0 to before 3.10.13.6.17, 3.7.15, 3.8.8, 3.9.3, 3.10.1Patch availableCNA
  • Enterprise Server VendorGitHub Affected 3.6.0 to before 3.6.17; 3.7.0 to before 3.7.15; 3.8.0 to before 3.8.8; 3.9.0 to before 3.9.3; 3.10.0 to before 3.10.1 Fixed in 3.6.17, 3.7.15, 3.8.8, 3.9.3, 3.10.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*before 3.6.17; 3.7.0 to before 3.7.15; 3.8.0 to before 3.8.8; 3.9.0 to before 3.9.3VulnerableGitHub
cpe:2.3:a:github:enterprise_server:3.10.0:*:*:*:*:*:*:*3.10.0VulnerableGitHub
  • cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* Versions before 3.6.17; 3.7.0 to before 3.7.15; 3.8.0 to before 3.8.8; 3.9.0 to before 3.9.3 Vulnerable ·GitHub
  • cpe:2.3:a:github:enterprise_server:3.10.0:*:*:*:*:*:*:* Versions 3.10.0 Vulnerable ·GitHub

Remediation

  • Fix · CNA Enterprise Server (GitHub) Fixed in 3.6.17, 3.7.15, 3.8.8, 3.9.3, 3.10.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23766
  2. 2026-10-03 Alias added: GHSA-42m4-q6r2-jh92

References

  • 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
See all 125 →

Sources