Auth bypass in GitLab
CVE-2026-6336
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.6 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthorized user to view project import source information due to a missing authorization check.
Vulnerability class: Broken Access Control
EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Gitlab — versions 19.2, 19.1, 19.2.0
Weakness classification (CWE)
References
- cve@gitlab.com (Broken Link)
- cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)
- cve@gitlab.com (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-6336?
- CVE-2026-6336 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-07-29.
- How severe is CVE-2026-6336?
- Medium severity. CVSS v3 base score is 5.3 out of 10.