Malicious code in toolmc (PyPI)

toolmc Updated 02 Oct 2025

Summary

23/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6884: Malicious code in toolmc (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

The toolmc package is an open-source Python package available on PyPI. It is designed to provide a set of tools for various purposes. However, this package has been found to contain malicious code, which poses a significant security risk to users who install and use it.

Vulnerability Detail

The toolmc package has been identified as part of a larger group of nearly 6000 malicious PyPi and NPM packages published by the EsqueleSquad group. These packages execute spyware and information-stealing malware. The specific vulnerability in toolmc allows attackers to gain unauthorized access to sensitive information on the user's system, potentially leading to data breaches and other malicious activities.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

pip uninstall toolmc

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

There is no known workaround for this vulnerability. It is essential to remove the toolmc package entirely from your system to ensure the security of your environment.

Conclusion

The toolmc package has been identified as containing malicious code, posing a significant security risk to users. It is crucial to remove this package from your Python environment and take appropriate measures to ensure the security of your system. For further support on vulnerability remediation, you can reach out to DevNack.com.

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FAQ

You can check if you have the toolmc package installed by running the following command: pip show toolmc

If you find the toolmc package installed on your system, it is highly recommended to remove it immediately. You can do this by running the command: pip uninstall toolmc

Yes, the toolmc package contains malicious code that can potentially lead to unauthorized access to your system and the theft of sensitive information. It is crucial to remove it to ensure the security of your environment.

Yes, there are several alternative packages available on PyPI that provide similar functionality as toolmc. It is recommended to research and choose a trusted package that meets your requirements.

To protect your system from similar malicious packages, it is important to follow best practices for package management. This includes regularly updating your packages, verifying the integrity of the packages you install, and using reputable sources for package installation.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

pip uninstall toolmc

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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