akoskm create-mcp-server-stdio up to 0.0.12 os command injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in akoskm create-mcp-server-stdio up to 0.0.12. This issue affects some unknown processing. This manipulation causes os command injection. This vulnerability is tracked as CVE-2025-54994. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in akoskm create-mcp-server-stdio up to 0.0.12. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS 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:

@akoskm/create-mcp-server-stdio is an MCP server starter kit that uses the StdioServerTransport. Prior to version 0.0.13, the MCP Server is written in a way that is vulnerable to command injection vulnerability attacks as part of some of its MCP Server tool definition and implementation. The MCP Server exposes the tool `which-app-on-port` which relies on Node.js child process API `exec` which is an unsafe and vulnerable API if concatenated with untrusted user input. Version 0.0.13 contains a fix for the issue.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-54994 since 08/04/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 0.0.13 eliminates this vulnerability. Applying the patch 48c26bbe1f8c62764e4592f33c8300d1cadd2eac is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-27167). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• akoskm

Name

• create-mcp-server-stdio

Version

• 0.0.1
• 0.0.2
• 0.0.3
• 0.0.4
• 0.0.5
• 0.0.6
• 0.0.7
• 0.0.8
• 0.0.9
• 0.0.10
• 0.0.11
• 0.0.12

License

• open-source

Website

• Product: https://github.com/akoskm/create-mcp-server-stdio/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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