Auth bypass in GitLab
CVE-2025-11865
An issue has been discovered in GitLab EE affecting all versions from 18.1 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that, under certain circumstances, could have allowed an attacker to remove Duo flows of another user.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.7% 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 18.1, 18.4, 18.5
Weakness classification (CWE)
References
- about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/ (Release Notes, Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/issues/561399 (issue-tracking, permissions-required, Broken Link)
Frequently asked questions
- What is CVE-2025-11865?
- CVE-2025-11865 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-11-15.
- How severe is CVE-2025-11865?
- Medium severity. CVSS v3 base score is 4.3 out of 10.