Auth bypass in GitLab
CVE-2025-2246
An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that could have allowed unauthenticated users to access sensitive manual CI/CD variables by querying the GraphQL API.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% 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 18.3, 18.3.0, 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/gitlab-org/gitlab/-/issues/524592 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3026559 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-2246?
- CVE-2025-2246 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 5.8/10. Published 2025-08-27.
- How severe is CVE-2025-2246?
- Medium severity. CVSS v3 base score is 5.8 out of 10.
- Is CVE-2025-2246 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.