CVE-2025-6454

HIGH
2025-09-12 [email protected]
8.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:11 vuln.today
CVE Published
Sep 12, 2025 - 06:15 nvd
HIGH 8.5

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.

Analysis

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. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable. No vendor patch available.

Technical Context

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. 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 include: Gitlab. Version information: before 18.1.6.

Affected Products

Gitlab.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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CVE-2025-6454 vulnerability details – vuln.today

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