Resource exhaustion in GitLab
CVE-2025-3525
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have, under certain circumstances, allowed an authenticated user with certain access to cause Denial of Service by creating specially crafted CI triggers via the API.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- GitLab — versions 9.0, 18.9.0, 18.8
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/535662 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3045257 (Permissions Required, technical-description, permissions-required, exploit)
- about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-3525?
- CVE-2025-3525 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-02-25.
- How severe is CVE-2025-3525?
- Medium severity. CVSS v3 base score is 6.5 out of 10.