Dayoooun hwpx-mcp 0.2.0 MCP Interface mcp-server/src/index.ts save_document/export_to_text/export_to_html output_path path traversal

Summaryinfo

A vulnerability classified as critical was found in Dayoooun hwpx-mcp 0.2.0. This impacts the function save_document/export_to_text/export_to_html of the file mcp-server/src/index.ts of the component MCP Interface. Executing a manipulation of the argument output_path can lead to path traversal. This vulnerability is handled as CVE-2026-7599. The attack can be executed remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in Dayoooun hwpx-mcp 0.2.0. It has been declared as critical. This vulnerability affects the function save_document/export_to_text/export_to_html of the file mcp-server/src/index.ts of the component MCP Interface. The manipulation of the argument output_path with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-7599. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26723). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• Dayoooun

Name

• hwpx-mcp

Version

• 0.2.0

Website

• Product: https://github.com/Dayoooun/hwpx-mcp/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #805608: Dayoooun hwpx-mcp Commit 87850fd67f0488d79fcbf061a29938cae914a15d Path Traversal (by _Eternity_)

Once again VulDB remains the best source for vulnerability data.

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