Vulnerability in GitLab
CVE-2025-12506
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to create a repository where the content displayed in the web interface differed from the content available for download, due to improper handling of Git reference name resolution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.1% 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 16.5, 19.0, 19.1
Weakness classification (CWE)
References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/ (Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/work_items/578988 (Broken Link)
- hackerone.com/reports/3351460 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-12506?
- CVE-2025-12506 is a low-severity vulnerability in GitLab, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 3.5/10. Published 2026-07-08.
- How severe is CVE-2025-12506?
- Low severity. CVSS v3 base score is 3.5 out of 10.