CVE-2020-12276: GitLab

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.

Affected products

• GitLab GitLab: from 9.5.9, before 12.7.8 (fixed in 12.7.8); from 12.8.0, before 12.8.8 (fixed in 12.8.8); from 12.9.0, before 12.9.1 (fixed in 12.9.1)

Published 2020-04-29. Last modified 2026-06-17.