CVE-2025-3601: GitLab

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions from 8.15 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that could have could have allowed an authenticated user to cause a Denial of Service (DoS) condition by submitting URLs that generate excessively large responses.

Affected products

• GitLab GitLab: from 8.15.0, before 18.1.5 (fixed in 18.1.5); from 18.2.0, before 18.2.5 (fixed in 18.2.5); version 18.3.0 only

Published 2025-08-27. Last modified 2026-06-17.