CVE-2021-22218: GitLab

Low severity, CVSS 2.6. EPSS: 0.5% chance of exploitation in the next 30 days.

All versions of GitLab CE/EE starting from 12.8 before 13.10.5, all versions starting from 13.11 before 13.11.5, and all versions starting from 13.12 before 13.12.2 were affected by an issue in the handling of x509 certificates that could be used to spoof author of signed commits.

Affected products

• GitLab GitLab: from 12.8.0, before 13.10.5 (fixed in 13.10.5); from 13.11.0, before 13.11.5 (fixed in 13.11.5); from 13.12.0, before 13.12.2 (fixed in 13.12.2)

Published 2021-06-08. Last modified 2026-06-17.