CVE-2021-39941: GitLab

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members

Affected products

• GitLab GitLab: from 12.0.0, before 14.3.6 (fixed in 14.3.6); from 14.4.0, before 14.4.4 (fixed in 14.4.4); from 14.5.0, before 14.5.2 (fixed in 14.5.2)

Published 2021-12-13. Last modified 2026-06-17.