Auth bypass in GitLab
CVE-2025-11971
GitLab has remediated an issue in GitLab EE affecting all versions from 10.6 before 18.3.5, 18.4 before 18.4.3, and 18.5 before 18.5.1 that could have allowed an authenticated attacker to trigger unauthorized pipeline executions by manipulating commits.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- GitLab — versions 18.4, 18.5, 18.5.0
Weakness classification (CWE)
References
- about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/ (Release Notes, Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/issues/566587 (issue-tracking, permissions-required, Broken Link)
Frequently asked questions
- What is CVE-2025-11971?
- CVE-2025-11971 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2025-10-27.
- How severe is CVE-2025-11971?
- Medium severity. CVSS v3 base score is 6.5 out of 10.