CVE-2026-7738CWE-22

puchunjie doc-tools-mcp MCP mcp-server.ts open_document path traversal

Medium · published May 4, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.00425 · 35.7th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-05-04T06:00Z
EPSS history
Timeline
  • 04 MAY 06:00Z
    puchunjie doc-tools-mcp MCP mcp-server.ts open_document path traversal
    cvelistv5