CVE-2026-7738 MEDIUM

CVE-2026-7738: puchunjie doc-tools-mcp MCP mcp-server.ts open_document path traversal

Vendor Puchunjie
Product doc-tools-mcp
Weakness CWE-22 · Path traversal
Published May 4, 2026
Last update May 5, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security flaw has been discovered in puchunjie doc-tools-mcp 1.0.18. This affects the function create_document/open_document of the file src/mcp-server.ts of the component MCP Interface. The manipulation of the argument filePath results in path traversal. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

02Disclosure timeline

May 4, 2026 CVE published
May 5, 2026 Record updated