Critical severityOSV Advisory· Published Sep 8, 2025· Updated Apr 15, 2026
CVE-2025-54994
CVE-2025-54994
Description
@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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@akoskm/create-mcp-server-stdionpm | < 0.0.13 | 0.0.13 |
Affected products
2- Range: v0.0.1, v0.0.10, v0.0.11, …
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-3ch2-jxxc-v4xfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-54994ghsaADVISORY
- github.com/akoskm/create-mcp-server-stdio/blob/main/src/index.tsnvdWEB
- github.com/akoskm/create-mcp-server-stdio/commit/48c26bbe1f8c62764e4592f33c8300d1cadd2eacnvdWEB
- github.com/akoskm/create-mcp-server-stdio/pull/1ghsaWEB
- github.com/akoskm/create-mcp-server-stdio/security/advisories/GHSA-3ch2-jxxc-v4xfnvdWEB
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