Auth bypass in GitLab
CVE-2026-6352
GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with auditor-level access to modify compliance violation records due to improper authorization on certain GraphQL operations.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
- GitLab — versions 18.2, 19.0, 19.1
Weakness classification (CWE)
References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/ (Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/work_items/596789 (Broken Link)
- hackerone.com/reports/3631344 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2026-6352?
- CVE-2026-6352 is a low-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2026-07-08.
- How severe is CVE-2026-6352?
- Low severity. CVSS v3 base score is 2.7 out of 10.