CVE-2025-1257: GitLab

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in GitLab EE affecting all versions starting with 12.3 before 17.7.7, 17.8 prior to 17.8.5, and 17.9 prior to 17.9.2. A vulnerability in certain GitLab instances could allow an attacker to cause a denial of service condition by manipulating specific API inputs.

Affected products

• GitLab GitLab: from 12.3.0, before 17.7.7 (fixed in 17.7.7); from 17.8.0, before 17.8.5 (fixed in 17.8.5); from 17.9.0, before 17.9.2 (fixed in 17.9.2)

Published 2025-03-13. Last modified 2026-06-17.