Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted JSON payloads due to insufficient input validation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 18.5.0, < 18.9.7 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-releasRelease Notes
- https://gitlab.com/gitlab-org/gitlab/-/work_items/584490Not Applicable
- https://hackerone.com/reports/3446641Permissions Required
FAQ
What is CVE-2025-14870?
CVE-2025-14870 is a vulnerability with a CVSS score of 7.5 (HIGH). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause d...
How severe is CVE-2025-14870?
CVE-2025-14870 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-14870?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.