Auth bypass in Gitlab
CVE-2026-1752
GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with developer-role permissions to modify protected envi…
Vulnerability class: Broken Access Control
EPSS: 0.000 (1.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Gitlab — versions 11.3, 18.9, 18.10
Weakness classification (CWE)
References
- HackerOne Bug Bounty Report #3533545 (technical-description, exploit, permissions-required)
- gitlab.com/gitlab-org/gitlab/-/work_items/588413
- about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/
Frequently asked questions
- What is CVE-2026-1752?
- CVE-2026-1752 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-04-08.
- How severe is CVE-2026-1752?
- Medium severity. CVSS v3 base score is 4.3 out of 10.