CVE-2021-22171: GitLab

Medium severity, CVSS 6.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Insufficient validation of authentication parameters in GitLab Pages for GitLab 11.5+ allows an attacker to steal a victim's API token if they click on a maliciously crafted link

Affected products

• GitLab GitLab: from 11.5.0, before 13.5.6 (fixed in 13.5.6); from 13.6.0, before 13.6.4 (fixed in 13.6.4); from 13.7.0, before 13.7.2 (fixed in 13.7.2)

Published 2021-01-15. Last modified 2026-06-17.