MCP ServersCommand Injection Vulnerability in MCP File Reader
Created at 7 months ago
by Eliran79
A deliberately vulnerable MCP server demonstrating command injection flaws. This Python implementation shows how lack of input sanitization in file paths leads to critical security vulnerabilities allowing attackers to execute arbitrary commands. For educational purposes only - demonstrates both the vulnerability and proper security practices.
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What is the Vulnerable File Reader Server?
The Vulnerable File Reader Server is a Python implementation that demonstrates a critical command injection vulnerability in a Model Context Protocol (MCP) server. It showcases how improper input sanitization in file paths can lead to severe security flaws, allowing attackers to execute arbitrary commands on the host system.
How to use the Vulnerable File Reader Server?
To use the server, clone the repository, install the necessary dependencies, configure the MCP server, and run it in development mode. You can then connect to the server using the MCP Inspector to test the vulnerability.
Key features of the Vulnerable File Reader Server?
- Demonstrates command injection vulnerabilities in a controlled environment.
- Provides examples of exploitation techniques.
- Includes proper security practices to mitigate such vulnerabilities.
Use cases of the Vulnerable File Reader Server?
- Educational purposes for security training and awareness.
- Testing and demonstrating command injection vulnerabilities.
- Learning how to implement secure coding practices.
FAQ from the Vulnerable File Reader Server?
- Is this server safe to use in production?
No! This implementation contains deliberate vulnerabilities and should only be used for educational purposes.
- What programming language is used?
The server is implemented in Python.
- How can I fix the vulnerabilities demonstrated?
Avoid using
shell=Truewith user input and implement proper input validation.
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