CVE-2023-5512: GitLab

Medium severity, CVSS 5.7. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.

Affected products

• GitLab GitLab: from 16.3.0, before 16.4.4 (fixed in 16.4.4); from 16.5.0, before 16.5.4 (fixed in 16.5.4); from 16.6.0, before 16.6.2 (fixed in 16.6.2)

Published 2023-12-15. Last modified 2026-06-17.