Vulnerability in GitLab
CVE-2025-4976
An issue has been discovered in GitLab EE affecting all versions from 17.0 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that, under certain circumstances, could have allowed an attacker to access internal notes in GitLab Duo responses.
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: 0.005 (40.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.5% 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: 0.005 · change: +0.001
Affected products
- GitLab — versions 17.0, 18.1, 18.2
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/543905 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3149956 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-4976?
- CVE-2025-4976 is a medium-severity vulnerability in GitLab, classified under CWE-213. CVSS score: 4.3/10. Published 2025-07-24.
- How severe is CVE-2025-4976?
- Medium severity. CVSS v3 base score is 4.3 out of 10.