CVE-2026-1402: GitLab

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.

Affected products

• GitLab GitLab: from 17.1.0, before 18.10.7 (fixed in 18.10.7); from 18.11.0, before 18.11.4 (fixed in 18.11.4); version 19.0.0 only

Published 2026-05-27. Last modified 2026-06-17.