CVE-2023-6477: GitLab

Medium severity, CVSS 6.7. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.

Affected products

• GitLab GitLab: from 16.5.0, before 16.7.6 (fixed in 16.7.6); from 16.8.0, up to and including 16.8.3; version 16.9.0 only

Published 2024-02-22. Last modified 2026-06-17.