Vulnerability in GitLab
CVE-2025-2615
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2, that could have allowed a blocked user to access sensitive information by establishing GraphQL subscriptions through WebSocket connections.
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 (22.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.1% 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 16.7, 18.4, 18.5
Weakness classification (CWE)
References
- about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/ (Release Notes, Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/issues/526360 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3049150 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-2615?
- CVE-2025-2615 is a medium-severity vulnerability in GitLab, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 4.3/10. Published 2025-11-15.
- How severe is CVE-2025-2615?
- Medium severity. CVSS v3 base score is 4.3 out of 10.