Malicious Code Execution in Colorfulpacket Package

colorfulpacket Updated 21 Dec 2025

Summary

21/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-192684: Malicious code in colorfulpacket (PyPI). Affects colorfulpacket versions 0.0.1. No fix is published. How to fix ↓

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Background

Colorfulpacket is a Python package available on the PyPI repository, designed for various functionalities in Python applications. However, it has been identified to contain malicious code that poses a significant security risk to users. The package is intended to be used by developers for enhancing their applications, but its vulnerability allows for unauthorized execution of malware, compromising user systems.

Vulnerability Detail

The vulnerability in the Colorfulpacket package originates from a malicious code snippet that downloads and executes a remote executable file. This behavior is indicative of a malware campaign, specifically targeting users who install the package. The malicious code is executed upon importing the module, leading to potential data theft, system compromise, and unauthorized access to sensitive information. The specific malicious executable is hosted at a URL that is part of the attack vector.

How To Fix

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

pip uninstall colorfulpacket

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 a temporary workaround, users can avoid using the Colorfulpacket package altogether until a secure version is released. Additionally, users should ensure that their systems have updated antivirus software to detect and mitigate any potential threats from the malicious executable.

Conclusion

The Colorfulpacket package has been identified as containing malicious code that poses a significant risk to users. Immediate action is required to uninstall the package and monitor for updates. Utilizing tools like Vulert can help in identifying vulnerabilities in your applications.

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FAQ

Colorfulpacket is a Python package available on PyPI, intended for use in various Python applications.

The vulnerability involves malicious code that downloads and executes malware on the user's system.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without requiring signup.

You should uninstall the package immediately and monitor for any updates or patches that may be released.

Ensure that your antivirus software is up to date and avoid using packages that have not been verified for security.

How To Fix

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

pip uninstall colorfulpacket

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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