CVE-2026-6821: GitLab

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab EE affecting all versions from 12.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to bypass IP-based access restrictions and read limited merge request information from a private project due to missing authorization checks in a merge requests API endpoint.

Affected products

• GitLab GitLab: from 12.0.0, before 19.0.6 (fixed in 19.0.6); from 19.1.0, before 19.1.4 (fixed in 19.1.4); from 19.2.0, before 19.2.2 (fixed in 19.2.2)

Published 2026-08-12. Last modified 2026-08-19.