Malicious code in studyhydra (PyPI)

studyhydra Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-6830: Malicious code in studyhydra (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

studyhydra is a Python package available on PyPI. It is used for studying and analyzing data in the Hydra framework. The package provides various functionalities and tools for data analysis and visualization. However, it has been discovered that the studyhydra package contains malicious code, which poses a security risk to users who install and use it.

Vulnerability Detail

The studyhydra package has been found to include malicious code introduced by the Checkmarx source. This code is part of a larger campaign by the EsqueleSquad group, who have published nearly 6000 malicious PyPi and NPM packages. The malicious code in studyhydra is designed to execute spyware and information-stealing malware. The exact nature and impact of the malware may vary, but it can potentially compromise sensitive data and compromise the security of affected systems.

How To Fix

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

pip uninstall studyhydra

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 consider using alternative packages or libraries for their data analysis needs. It is essential to thoroughly vet any third-party packages before installation to ensure their integrity and security. Additionally, implementing strict access controls and monitoring systems can help detect and prevent unauthorized access to sensitive data.

Conclusion

The studyhydra package on PyPI has been found to contain malicious code, which can compromise the security of affected systems. It is crucial to remove the package and take appropriate actions to mitigate the potential impact. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for studyhydra →

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FAQ

studyhydra is a Python package available on PyPI that provides tools and functionalities for data analysis and visualization in the Hydra framework.

The malicious code in studyhydra was discovered by the Checkmarx source during their analysis of PyPi and NPM packages. They identified a campaign by the EsqueleSquad group, which published numerous malicious packages, including studyhydra.

The malicious code in studyhydra is designed to execute spyware and information-stealing malware. It can potentially compromise sensitive data and compromise the security of affected systems.

To protect your system, it is recommended to remove the studyhydra package and any dependencies from your Python environment. Additionally, scan your system for signs of compromise and keep your security software up to date.

Yes, there are alternative packages and libraries available for data analysis in Python. It is important to thoroughly vet any third-party packages before installation to ensure their integrity and security.

How To Fix

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

pip uninstall studyhydra

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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