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CVE-2025-6454— Server-Side Request Forgery (SSRF) in GitLab

Quick assessment

Affected
GitLab GitLab
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab CE和EE 16.11版本至18.1.6之前版本、18.2版本至18.2.6之前版本和18.3版本至18.3.2之前版本存在代码问题漏洞，该漏洞源于经过身份验证的用户可通过注入特制序列在代理环境中发

CVSS 8.5 · High EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-6454

Vulnerability Information
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Vulnerability Title
Server-Side Request Forgery (SSRF) in GitLab
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab CE和EE 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab CE和EE 16.11版本至18.1.6之前版本、18.2版本至18.2.6之前版本和18.3版本至18.3.2之前版本存在代码问题漏洞，该漏洞源于经过身份验证的用户可通过注入特制序列在代理环境中发
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 16.11 ~ 18.1.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-6454

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 8048 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2025-6454

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Patches & Fixes for CVE-2025-6454 (1)

Same Patch Batch · GitLab · 2025-09-12 · 6 CVEs total

CVE-2025-2256 7.5 HIGH Improper Validation of Specified Quantity in Input in GitLab
CVE-2025-10094 6.5 MEDIUM Improper Validation of Specified Quantity in Input in GitLab
CVE-2025-7337 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-1250 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-6769 4.3 MEDIUM Exposure of Sensitive System Information to an Unauthorized Control Sphere in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-918

V. Comments for CVE-2025-6454

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