CVE-2023-6564: GitLab

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab EE Premium and Ultimate affecting versions 16.4.3, 16.5.3, and 16.6.1. In projects using subgroups to define who can push and/or merge to protected branches, there may have been instances in which subgroup members with the Developer role were able to push or merge to protected branches.

Affected products

• GitLab GitLab: version 16.4.3 only; version 16.5.3 only; version 16.6.1 only

Published 2024-02-08. Last modified 2026-06-17.