Path Traversal Vulnerability in douinc mkdocs-mcp-plugin Software
CVE-2026-7159

6.9MEDIUM

Key Information:

Vendor

Douinc

Status
Mkdocs-mcp-plugin
Vendor
CVE Published:
27 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7159?

A path traversal vulnerability has been identified in the douinc mkdocs-mcp-plugin version 0.4.1. This issue allows attackers to manipulate inputs intended for the read_document and list_documents functions within the server.py file. An attacker could potentially trick the affected function into accessing unintended files by exploiting the argument handling for docs_dir and file_path. Given that this vulnerability is remotely exploitable, it poses a significant risk. The vendor has acknowledged the issue and is expected to release a fix shortly.

Affected Version(s)

mkdocs-mcp-plugin 0.4.0

mkdocs-mcp-plugin 0.4.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7159 - Proof of Concept

References

https://vuldb.com/vuln/359758
vdb-entrytechnical-description
https://vuldb.com/vuln/359758/cti
signaturepermissions-required
https://vuldb.com/submit/802063
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

SmallW (VulDB User)
VulDB CNA Team
.