Resource exhaustion in GitLab
CVE-2025-7449
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an authenticated user with specific permissions to cause a denial of service condition through HTTP response processing.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.5% 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: 0.004 · change: 0.000
Affected products
- GitLab — versions 8.3, 18.5, 18.6.0
Weakness classification (CWE)
References
- about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/ (vendor-advisory)
- gitlab.com/gitlab-org/gitlab/-/issues/554938 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/3215054 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2025-7449?
- CVE-2025-7449 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-11-26.
- How severe is CVE-2025-7449?
- Medium severity. CVSS v3 base score is 6.5 out of 10.