CVE-2025-6454

HighCVSS 8.8/10Last modified Oct 19, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-918

Affected software

VendorProductVersions
GitLabGitLab>= 16.11, < 18.1.6; >= 18.2, < 18.2.6; >= 18.3, < 18.3.2

References

Timeline

Published
Sep 12, 2025
Last modified
Oct 19, 2026
NVD status
Analyzed

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CVE-2025-6454: High severity, CVSS 8.8 | Vulnix