CVE-2021-22197: GitLab

Medium severity, CVSS 4.3. 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 10.6 where an infinite loop exist when an authenticated user with specific rights access a MR having source and target branch pointing to each other

Affected products

• GitLab GitLab: from 10.6.0, before 13.8.7 (fixed in 13.8.7); from 13.9.0, before 13.9.5 (fixed in 13.9.5); from 13.10.0, before 13.10.1 (fixed in 13.10.1)

Published 2021-04-02. Last modified 2026-06-17.