Vulnerability Monitor

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CVE-2025-6454

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.

Published

2025-09-12T06:15:42.990

Last Modified

2025-09-20T02:56:00.287

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.5 (HIGH)

Weaknesses

Type: Primary
CWE-918

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gitlab	gitlab	< 18.1.6	Yes
Application	gitlab	gitlab	< 18.1.6	Yes
Application	gitlab	gitlab	< 18.2.6	Yes
Application	gitlab	gitlab	< 18.2.6	Yes
Application	gitlab	gitlab	< 18.3.2	Yes
Application	gitlab	gitlab	< 18.3.2	Yes

References

https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/ Release Notes, Vendor Advisory ([email protected])
https://gitlab.com/gitlab-org/gitlab/-/issues/550766 Broken Link ([email protected])
https://hackerone.com/reports/3162711 Permissions Required ([email protected])