CVE-2020-13272: GitLab

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow

Affected products

• GitLab GitLab: from 12.3.0, before 12.9.8 (fixed in 12.9.8); from 12.10.0, before 12.10.7 (fixed in 12.10.7); version 13.0.0 only

Published 2020-06-19. Last modified 2026-06-17.