Auth bypass in GitLab
CVE-2026-16794
GitLab has remediated an issue in GitLab EE affecting all versions from 18.11 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with the Security Manager role to execute arbitrary CI/CD jobs and access protected variables within group projects due to improper authorization controls on compliance framework management.
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: 0.004 (33.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.4% 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: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/606750 (Broken Link)
- hackerone.com/reports/3785754 (Permissions Required, technical-description, permissions-required, exploit)
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-16794?
- CVE-2026-16794 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-16.
- How severe is CVE-2026-16794?
- Medium severity. CVSS v3 base score is 4.3 out of 10.