CVE-2025-14870: GitLab

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted JSON payloads due to insufficient input validation.

Affected products

• GitLab GitLab: from 18.5.0, before 18.9.7 (fixed in 18.9.7); from 18.10.0, before 18.10.6 (fixed in 18.10.6); from 18.11.0, before 18.11.3 (fixed in 18.11.3)

Published 2026-05-14. Last modified 2026-06-17.