Vulnerability in GitLab
CVE-2026-3607
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to bypass package protection rules due to improper 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: 0.003 (19.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% 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: 0.003 · change: -0.001
Affected products
- GitLab — versions 18.3, 18.10, 18.11
Weakness classification (CWE)
References
- hackerone.com/reports/3586233 (Permissions Required, technical-description, permissions-required, exploit)
- gitlab.com/gitlab-org/gitlab/-/work_items/592466 (Broken Link)
- about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ (Release Notes)
Frequently asked questions
- What is CVE-2026-3607?
- CVE-2026-3607 is a medium-severity vulnerability in GitLab, classified under CWE-1280. CVSS score: 4.3/10. Published 2026-05-14.
- How severe is CVE-2026-3607?
- Medium severity. CVSS v3 base score is 4.3 out of 10.