CVE-2025-13978: 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 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.

Affected products

• GitLab GitLab: from 17.5.0, before 18.4.6 (fixed in 18.4.6); from 18.5.0, before 18.5.4 (fixed in 18.5.4); from 18.6.0, before 18.6.2 (fixed in 18.6.2)

Published 2025-12-11. Last modified 2026-06-17.