Vulnerability in GitLab
CVE-2026-6515
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed a user to use invalidated or incorrectly scoped credentials to access Virtual Registries under certain conditions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- GitLab — versions 18.10, 18.11, 18.11.0
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/595993 (Broken Link)
- about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-6515?
- CVE-2026-6515 is a medium-severity vulnerability in GitLab, classified under Insufficient Session Expiration. CVSS score: 5.4/10. Published 2026-04-22.
- How severe is CVE-2026-6515?
- Medium severity. CVSS v3 base score is 5.4 out of 10.