Malicious code in studylib (PyPI)

studylib Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6831: Malicious code in studylib (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

studylib is a Python package available on PyPI. It is designed to provide a library of study materials for educational purposes. The package allows users to access and share various study resources, such as documents, presentations, and flashcards. Unfortunately, a vulnerability has been discovered in studylib that exposes users to malicious code.

Vulnerability Detail

The vulnerability in studylib is a result of the presence of malicious code introduced by the EsqueleSquad group. This group has published nearly 6000 malicious PyPi and NPM packages, including studylib, which execute spyware and information-stealing malware. The malicious code can compromise the security and privacy of users who install and use studylib.

How To Fix

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

pip uninstall studylib

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

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Workaround

There is no specific workaround mentioned for this vulnerability. However, as a general best practice, users can consider temporarily disabling or uninstalling studylib until a patched version is available. Additionally, users should ensure they have up-to-date antivirus software installed on their systems to detect and prevent any potential malware introduced by the malicious code.

Conclusion

The presence of malicious code in studylib poses a significant risk to users. It is crucial for the maintainers of studylib to release a patched version that removes the malicious code and ensures the package's security. Users should stay vigilant, regularly update their studylib installations, and consider temporary workarounds if necessary. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for studylib →

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FAQ

studylib is a Python package available on PyPI that provides a library of study materials for educational purposes.

The vulnerability in studylib is a result of the presence of malicious code introduced by the EsqueleSquad group, which compromises the security and privacy of users.

The malicious code in studylib can execute spyware and information-stealing malware, potentially exposing sensitive user data and compromising system security.

To fix the vulnerability, it is recommended to update to a version of studylib that is not affected by the malicious code. Regularly check for updates and install the latest version.

While there is no specific workaround mentioned, users can consider temporarily disabling or uninstalling studylib until a patched 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 studylib

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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