CVE-2025-13927: GitLab

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.9 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted requests with malformed authentication data.

Affected products

• GitLab GitLab: from 11.9.0, before 18.6.4 (fixed in 18.6.4); from 18.7.0, before 18.7.2 (fixed in 18.7.2); from 18.8.0, before 18.8.2 (fixed in 18.8.2)

Published 2026-01-22. Last modified 2026-06-17.