CVE-2025-6171: GitLab

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.2 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker with reporter access to view branch names and pipeline details by accessing the packages API endpoint even when repository access was disabled.

Affected products

• GitLab GitLab: from 13.2.0, before 18.3.6 (fixed in 18.3.6); from 18.4.0, before 18.4.4 (fixed in 18.4.4); from 18.5.0, before 18.5.2 (fixed in 18.5.2)

Published 2025-11-15. Last modified 2026-06-17.