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CVE-2026-7811— 54yyyu code-mcp MCP File server.py is_safe_path path traversal

Quick assessment

Affected
54yyyu code-mcp
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.

Code-MCP是Steven Yu个人开发者的一款终端与文件操作的AI集成工具。 Code-MCP 4cfc4643541a110c906d93635b391bf7e357f4a8及之前版本存在路径遍历漏洞，该漏洞源于文件src/code_mcp/server.py中函数is_safe_path的MCP File Handler组件问题，可能导致路径遍历。

CVSS 7.3 · High EPSS 0.59% · P47

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
54yyyu code-mcp 4cfc4643541a110c906d93635b391bf7e357f4a8 affected
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I. Basic Information for CVE-2026-7811

Vulnerability Information
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Vulnerability Title
54yyyu code-mcp MCP File server.py is_safe_path path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in 54yyyu code-mcp up to 4cfc4643541a110c906d93635b391bf7e357f4a8. The affected element is the function is_safe_path of the file src/code_mcp/server.py of the component MCP File Handler. Such manipulation leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Code-MCP 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Code-MCP是Steven Yu个人开发者的一款终端与文件操作的AI集成工具。 Code-MCP 4cfc4643541a110c906d93635b391bf7e357f4a8及之前版本存在路径遍历漏洞，该漏洞源于文件src/code_mcp/server.py中函数is_safe_path的MCP File Handler组件问题，可能导致路径遍历。
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
54yyyu code-mcp 4cfc4643541a110c906d93635b391bf7e357f4a8 -

II. Public POCs for CVE-2026-7811

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III. Intelligence Information for CVE-2026-7811

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Proof of Concept for CVE-2026-7811 (1)

Other References for CVE-2026-7811 (1)

IV. Related Vulnerabilities

Same product: code-mcp
Same vendor: 54yyyu
Same weakness: CWE-22

V. Comments for CVE-2026-7811

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