CVE-2023-23762: GitHub Enterprise Server

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it’s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

Affected products

• GitHub Enterprise Server: before 3.4.18 (fixed in 3.4.18); from 3.5.0, before 3.5.15 (fixed in 3.5.15); from 3.6.0, before 3.6.11 (fixed in 3.6.11); from 3.7.0, before 3.7.8 (fixed in 3.7.8); version 3.8.0 only

Published 2023-04-07. Last modified 2026-06-17.