zcaceres markdownify-mcp up to 0.0.1 child_process.exec command injection

Summaryinfo

A vulnerability was found in zcaceres markdownify-mcp up to 0.0.1. It has been classified as critical. Affected is the function child_process.exec. This manipulation causes command injection. This vulnerability appears as CVE-2025-58358. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in zcaceres markdownify-mcp up to 0.0.1. Affected by this vulnerability is the function child_process.exec. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Markdownify is a Model Context Protocol server for converting almost anything to Markdown. Versions below 0.0.2 contain a command injection vulnerability, caused by the unsanitized use of input parameters within a call to child_process.exec, enabling an attacker to inject arbitrary system commands. Successful exploitation can lead to remote code execution under the server process's privileges. The server constructs and executes shell commands using unvalidated user input directly within command-line strings. This introduces the possibility of shell metacharacter injection (|, >, &&, etc.). This issue is fixed in version 0.0.2.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-58358 since 08/29/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 0.0.2 eliminates this vulnerability.

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Productinfo

Type

• Artificial Intelligence Software

Vendor

• zcaceres

Name

• markdownify-mcp

Version

• 0.0.1

Website

• Product: https://github.com/zcaceres/markdownify-mcp/

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