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CVE-2026-30618

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

guo zebin Fay是中国guo zebin个人开发者的一个开发框架系统软件。 guo zebin Fay 4.3.1版本存在安全漏洞，该漏洞源于MCP STDIO服务器管理和命令执行处理不当，可能导致远程攻击者通过公开的MCP管理界面配置攻击者控制的命令和参数，从而在服务器上执行任意命令。

AI Predicted 9.8 Difficulty: Trivial EPSS 1.20% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-30618

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
xszyou Fay 4.3.1 contains a remote code execution vulnerability in its MCP STDIO server management and command execution handling. A remote attacker can access the publicly exposed MCP management interface and configure an MCP STDIO server with attacker-controlled commands and parameters, resulting in execution of arbitrary commands on the server. Successful exploitation allows arbitrary command execution within the context of the Fay service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
guo zebin Fay 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
guo zebin Fay是中国guo zebin个人开发者的一个开发框架系统软件。 guo zebin Fay 4.3.1版本存在安全漏洞，该漏洞源于MCP STDIO服务器管理和命令执行处理不当，可能导致远程攻击者通过公开的MCP管理界面配置攻击者控制的命令和参数，从而在服务器上执行任意命令。
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
- n/a n/a -

II. Public POCs for CVE-2026-30618

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III. Intelligence Information for CVE-2026-30618

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Same Patch Batch · n/a · 2026-07-15 · 9 CVEs total

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CVE-2026-26718 xuxueli xxl-job-admin 安全漏洞
CVE-2026-26719 xuxueli xxl-job-admin 安全漏洞
CVE-2026-36590 EMQ NanoMQ 安全漏洞
CVE-2026-38974 Jelmer Vernooij Dulwich 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-30618

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