CVE-2021-22257: GitLab

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab affecting all versions starting from 14.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. The route for /user.keys is not restricted on instances with public visibility disabled. This allows user enumeration on such instances.

Affected products

• GitLab GitLab: from 14.0.0, before 14.0.9 (fixed in 14.0.9); from 14.1.0, before 14.1.4 (fixed in 14.1.4); from 14.2.0, before 14.2.2 (fixed in 14.2.2)

Published 2021-10-05. Last modified 2026-06-17.