CVE-2023-6840: GitLab

Medium severity, CVSS 6.7. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.

Affected products

• GitLab GitLab: from 16.4.0, before 16.6.7 (fixed in 16.6.7); from 16.7.0, before 16.7.5 (fixed in 16.7.5); from 16.8.0, before 16.8.2 (fixed in 16.8.2)

Published 2024-02-07. Last modified 2026-06-17.