Malicious code in libsplitminecraft (PyPI)

libsplitminecraft Updated 02 Oct 2025

Summary

27/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-4496: Malicious code in libsplitminecraft (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

libsplitminecraft is a package available on PyPI that provides functionality for splitting Minecraft worlds into smaller parts. It is commonly used by Minecraft server administrators to manage large worlds. However, this package has been found to contain malicious code.

Vulnerability Detail

The libsplitminecraft package has been compromised by a group called EsqueleSquad, who published nearly 6000 malicious PyPi and NPM packages. These packages execute spyware and information-stealing malware. The specific vulnerability in libsplitminecraft allows the execution of arbitrary code on the affected system, potentially leading to unauthorized access, data theft, and other malicious activities.

How To Fix

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

pip uninstall libsplitminecraft

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

There is no known workaround for this vulnerability. The best course of action is to remove the libsplitminecraft package and follow the recommended steps to secure your system.

Conclusion

The libsplitminecraft package on PyPI has been compromised by the EsqueleSquad group, who published malicious code. This vulnerability allows for the execution of arbitrary code on the affected system, posing a significant risk of unauthorized access and data theft. It is crucial to remove the libsplitminecraft package and take immediate steps to secure your system. For further support on vulnerability remediation, contact DevNack.com.

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FAQ

You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock, and Vulert will analyze it for any open-source vulnerabilities, including this one.

The consequences of this vulnerability can be severe. It allows attackers to execute arbitrary code on the affected system, which can lead to unauthorized access, data theft, and other malicious activities. It is crucial to take immediate action to mitigate the risk.

No, there is no patch available for libsplitminecraft. The package itself has been compromised, and it is recommended to remove it from your system.

To ensure the security of your Python packages, it is important to regularly update them to the latest versions. Additionally, you can use tools like Vulert to monitor and alert you in real-time for open-source vulnerabilities in your software.

For further support on vulnerability remediation, you can reach out to info@devnack.com. They can provide guidance and assistance in securing your system and mitigating the impact of this vulnerability.

How To Fix

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

pip uninstall libsplitminecraft

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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