Auth bypass in GitLab
CVE-2026-92874
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user with an MCP-scoped token to perform actions beyond the intended scope of that token due to improper authorization checks.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- GitLab — versions 19.4.0
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/618614 (Issue Tracking)
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-92874?
- CVE-2026-92874 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-09-24.
- How severe is CVE-2026-92874?
- Medium severity. CVSS v3 base score is 5.4 out of 10.