CVE-2021-22251: GitLab

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings

Affected products

• GitLab GitLab: from 12.2.0, before 13.12.9 (fixed in 13.12.9); from 14.0.0, before 14.0.7 (fixed in 14.0.7); from 14.1.0, before 14.1.2 (fixed in 14.1.2)

Published 2021-08-23. Last modified 2026-06-17.