Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted GraphQL queries that bypass query complexity limits.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 11.10.0, < 18.4.6 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-releaseRelease NotesVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/579152Broken Link
- https://hackerone.com/reports/3360710Permissions Required
FAQ
What is CVE-2025-12562?
CVE-2025-12562 is a vulnerability with a CVSS score of 7.5 (HIGH). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an unauthenticated user to create a d...
How severe is CVE-2025-12562?
CVE-2025-12562 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-2025-12562?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.