CVE-2026-6277: GitLab

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab EE affecting all versions from 13.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with Security Manager-role permissions to manage project security configuration even when the relevant feature was in a disabled state, due to incorrect authorization enforcement.

Affected products

• GitLab GitLab: from 13.9.0, before 18.10.8 (fixed in 18.10.8); from 18.11.0, before 18.11.5 (fixed in 18.11.5); from 19.0.0, before 19.0.2 (fixed in 19.0.2)

Published 2026-06-11. Last modified 2026-06-17.