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CVE-2025-6454
Published:September 12, 2025
Updated:August 02, 2026
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 Packages
https://gitlab.com/gitlab-org/gitlab.git (SCM_GIT):
Affected version(s) >=v18.3.0-ee <v18.3.2-ee
Fix Suggestion:
Update to version v18.3.2-ee
https://gitlab.com/gitlab-org/gitlab.git (SCM_GIT):
Affected version(s) >=v18.2.0-ee <v18.2.6
Fix Suggestion:
Update to version v18.2.6
https://gitlab.com/gitlab-org/gitlab.git (SCM_GIT):
Affected version(s) >=v1.0.2 <v18.1.6-ee
Fix Suggestion:
Update to version v18.1.6-ee
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CVSS v4
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
EPSS
Base Score:
0.65