Vulnerability · Published Sep 12, 2025 · Assigned by GitLab
CVE-2025-6454Server-Side Request Forgery (SSRF) in GitLab
High 8.5
In plain English
A high-severity server-side request forgery in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.5High
Exploit odds (30 days)0.7%top 45.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/
- GitLab Issue #550766 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #3162711 technical-description, exploit, permissions-required