CVE-2025-12506: 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 16.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to create a repository where the content displayed in the web interface differed from the content available for download, due to improper handling of Git reference name resolution.

Affected products

• GitLab GitLab: from 16.5.0, before 18.11.7 (fixed in 18.11.7); from 19.0.0, before 19.0.4 (fixed in 19.0.4); from 19.1.0, before 19.1.2 (fixed in 19.1.2)

Published 2026-07-08. Last modified 2026-09-29.