Malicious Code Vulnerability in tronjoi Package on PyPI

tronjoi Updated 02 Oct 2025

Summary

31/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6607: Malicious code in tronjoi (PyPI). Affects tronjoi versions 0.0.1. No fix is published. How to fix ↓

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Background

The tronjoi package is a Python library available on the Python Package Index (PyPI) that is designed for specific functionalities related to data manipulation and processing. However, this package has been identified to contain malicious code that poses significant security risks to users who install it. The vulnerability affects version 0.0.1 of the package, making it crucial for users to be aware of its implications.

Vulnerability Detail

The vulnerability in the tronjoi package is characterized by the presence of malicious code that can compromise the security of systems where it is installed. This code may lead to unauthorized access, data breaches, or other harmful actions. The origin of this vulnerability is linked to the package being flagged by security researchers at ReversingLabs, who discovered the malicious behavior during their analysis. Users who have installed this version of tronjoi are at risk of exploitation, which could have severe ramifications for their applications and data integrity.

How To Fix

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

pip uninstall tronjoi

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

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Workaround

As a temporary workaround, users can avoid using the tronjoi package altogether until a secure version is released. If the functionality provided by tronjoi is critical, consider looking for alternative packages that offer similar features without the associated risks.

Conclusion

The tronjoi package on PyPI has been identified to contain malicious code, posing significant risks to users. It is essential for users to uninstall the affected version and monitor for updates or alternatives to ensure the security of their applications. Utilizing tools like Vulert can aid in identifying vulnerabilities in open-source software.

See every vulnerability recorded for tronjoi →

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FAQ

Tronjoi is a Python library available on PyPI, designed for data manipulation and processing tasks.

The vulnerability involves malicious code that can compromise system security, leading to unauthorized access and potential data breaches.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application's status without needing to sign up.

Uninstall the affected version immediately and check for any available updates or patches for the package.

Yes, consider exploring other Python packages that provide similar functionalities without the security risks associated with tronjoi.

How To Fix

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

pip uninstall tronjoi

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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