Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting all versions from 16.11 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to make unintended internal requests through proxy environments by injecting crafted sequences.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 16.11.0, < 18.1.6 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-releaseRelease NotesVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/550766Broken Link
- https://hackerone.com/reports/3162711Permissions Required
FAQ
What is CVE-2025-6454?
CVE-2025-6454 is a vulnerability with a CVSS score of 8.5 (HIGH). An issue has been discovered in GitLab CE/EE affecting all versions from 16.11 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to make unintended ...
How severe is CVE-2025-6454?
CVE-2025-6454 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-6454?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.