Command Injection Vulnerability in MCP Server Starter Kit by akoskm
CVE-2025-54994

9.3CRITICAL

Key Information:

Vendor

Akoskm

Status
Create-mcp-server-stdio
Vendor
CVE Published:
8 September 2025

What is CVE-2025-54994?

The MCP server starter kit 'create-mcp-server-stdio' has a command injection vulnerability that could potentially allow attackers to execute arbitrary commands on the server. This flaw arises from the tool 'which-app-on-port', which uses the Node.js child process API 'exec' in an unsafe manner, particularly when handling untrusted user inputs. Versions before 0.0.13 are susceptible to this security risk. Users are advised to update to version 0.0.13 or later to mitigate this vulnerability.

Affected Version(s)

create-mcp-server-stdio < 0.0.13

References

https://github.com/akoskm/create-mcp-server-stdio/securit...
x_refsource_CONFIRM
https://github.com/akoskm/create-mcp-server-stdio/commit/...
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https://github.com/akoskm/create-mcp-server-stdio/blob/ma...
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CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-54994 : Command Injection Vulnerability in MCP Server Starter Kit by akoskm