Information disclosure in GitLab
CVE-2025-13978
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.
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:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% 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: 0.003 · change: +0.000
Affected products
- GitLab — versions 17.5, 18.5, 18.6
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/work_items/566960 (Broken Link)
- gitlab.com/gitlab-org/gitlab/-/issues/566960 (issue-tracking, permissions-required, Broken Link)
- about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-13978?
- CVE-2025-13978 is a medium-severity vulnerability in GitLab, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2025-12-11.
- How severe is CVE-2025-13978?
- Medium severity. CVSS v3 base score is 4.3 out of 10.