Vulnerability in GitLab
CVE-2025-0549
An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to 17.9.8, from 17.10 prior to 17.10.6, and from 17.11 prior to 17.11.2. A security vulnerability allows attackers to bypass Device OAuth flow protections, enabling authorization form submission through minimal user interaction.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.2% 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: 0.004 · change: 0.000
Affected products
- GitLab — versions 17.3, 17.10, 17.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/gitlab-org/gitlab/-/issues/513996 (issue-tracking, Exploit, permissions-required, Issue Tracking)
- hackerone.com/reports/2927555 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-0549?
- CVE-2025-0549 is a medium-severity vulnerability in GitLab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.8/10. Published 2025-05-09.
- How severe is CVE-2025-0549?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2025-0549 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.