Malicious code in tpencodererandom (PyPI)

tpencodererandom Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7022: Malicious code in tpencodererandom (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

tpencodererandom is a package available on PyPI that provides functionality for encoding and randomizing data. It is commonly used in Python projects for various purposes. However, this package has been found to contain malicious code introduced by the EsqueleSquad group. The group has published nearly 6000 malicious PyPi and NPM packages, which execute spyware and information-stealing malware. This specific vulnerability affects the tpencodererandom package, compromising its integrity and potentially putting users at risk.

Vulnerability Detail

The vulnerability in tpencodererandom arises from the inclusion of malicious code by the EsqueleSquad group. This code can execute spyware and steal sensitive information from the affected system. The malicious code is introduced through the package's source code, which has been modified by the group. The impact of this vulnerability can be severe, as it allows unauthorized access to user data and compromises the security of the affected system.

How To Fix

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

pip uninstall tpencodererandom

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 →

Workaround

As this vulnerability is caused by the inclusion of malicious code in tpencodererandom, there is no specific workaround available. The best course of action is to remove the package from your project and replace it with a trusted alternative.

Conclusion

The tpencodererandom package on PyPI has been found to contain malicious code introduced by the EsqueleSquad group. This vulnerability can lead to unauthorized access to user data and compromise the security of the affected system. To mitigate the risk, it is recommended to remove the package from your project and replace it with a trusted alternative. Regularly updating and reviewing the packages used in your project is also crucial. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

tpencodererandom is a package available on PyPI that provides functionality for encoding and randomizing data. It is commonly used in Python projects for various purposes.

The vulnerability was discovered by the Checkmarx security team. They identified the presence of malicious code in the tpencodererandom package during their routine security analysis.

This vulnerability can lead to unauthorized access to user data and compromise the security of the affected system. The malicious code can execute spyware and steal sensitive information.

To protect your project, it is recommended to remove the tpencodererandom package and replace it with a trusted alternative. Regularly updating and reviewing the packages used in your project is also crucial to ensure they are free from any known vulnerabilities.

Yes, you can use Vulert to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities in software, using just the Pipfile.lock file without requiring access to the code or installation.

How To Fix

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

pip uninstall tpencodererandom

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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