CVE-2025-6454

Server-Side Request Forgery (SSRF) in GitLab

State: Published
Severity: 8.5 High
Published: Sep 12, 2025
Updated: Sep 12, 2025
Reserved: Jun 20, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	GitLab

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
GitLabGitLab	16.11 to before 18.1.6Affected 18.2 to before 18.2.6Affected 18.3 to before 18.3.2Affected

References

https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/
GitLab Issue #550766issue-trackingpermissions-required
HackerOne Bug Bounty Report #3162711technical-descriptionexploitpermissions-required

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