CVE-2022-4131: GitLab

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.

Affected products

• GitLab GitLab: from 10.8.0, before 15.5.7 (fixed in 15.5.7); from 15.6.0, before 15.6.4 (fixed in 15.6.4); from 15.7.0, before 15.7.2 (fixed in 15.7.2)

Published 2023-01-12. Last modified 2026-06-17.