Auth bypass in GitLab
CVE-2026-2619
GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user with auditor privileges to modify vulnerability flag data in private projects due to incorrect authorization.
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 (30.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% 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
- GitLab — versions 18.6, 18.9, 18.10
Weakness classification (CWE)
References
- hackerone.com/reports/3554982 (Permissions Required, technical-description, permissions-required, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/590430 (Broken Link)
- about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-2619?
- CVE-2026-2619 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-04-08.
- How severe is CVE-2026-2619?
- Medium severity. CVSS v3 base score is 4.3 out of 10.