Malicious Code Vulnerability in bigpyx Package

bigpyx Updated 10 Dec 2025

Summary

10/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-192430: Malicious code in bigpyx (PyPI). Affects bigpyx versions 0.0.1 – 0.0.2. No fix is published. How to fix ↓

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Background

The bigpyx package, available on PyPI, is designed for specific functionalities within Python applications. However, it has been identified as containing malicious code that can compromise user systems. This vulnerability is part of a broader campaign that exploits obfuscation techniques to hide its true intent, which includes downloading and executing harmful scripts.

Vulnerability Detail

The vulnerability originates from a malicious campaign identified as '2025-12-graphnode'. The malicious code is obfuscated to evade detection and is capable of downloading and executing remote scripts. This poses significant risks, including data theft and unauthorized access to user systems. The affected versions of the bigpyx package are 0.0.1 and 0.0.2, both of which contain the malicious payload.

How To Fix

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

pip uninstall bigpyx

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 measure, users can uninstall the bigpyx package to prevent any malicious activity. This can be done using the command: 'pip uninstall bigpyx'. Additionally, consider using alternative packages that provide similar functionalities without the associated risks.

Conclusion

The bigpyx package has been identified as containing malicious code that poses significant risks to users. It is essential to update the package to a safe version or uninstall it to prevent potential harm. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.

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FAQ

bigpyx is a Python package available on PyPI, designed for specific functionalities within Python applications.

The malicious code obfuscates its true intent and downloads harmful scripts from remote locations, potentially compromising user systems.

The affected versions of the bigpyx package are 0.0.1 and 0.0.2.

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

If immediate updates are not possible, uninstall the bigpyx package to mitigate risks until a safe version is available.

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How To Fix

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

pip uninstall bigpyx

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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