Malicious code in tpreproofcandy (PyPI)

tpreproofcandy Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7568: Malicious code in tpreproofcandy (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

tpreproofcandy is a package available on PyPI that provides functionality related to proofreading and spellchecking. It is commonly used in Python projects for text processing and quality assurance. However, this package has been found to contain malicious code, which poses a significant security risk to applications that depend on it.

Vulnerability Detail

The tpreproofcandy package has been identified as part of a larger group of nearly 6000 malicious PyPI and NPM packages published by the EsqueleSquad group. These packages execute spyware and information-stealing malware, compromising the security and privacy of affected systems. The specific malicious code in tpreproofcandy has not been disclosed, but it is essential to take immediate action to mitigate the risk.

How To Fix

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

pip uninstall tpreproofcandy

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. It is necessary to remove the tpreproofcandy package and address the security implications directly.

Conclusion

The tpreproofcandy package available on PyPI has been found to contain malicious code, posing a significant security risk to applications that utilize it. It is crucial to remove this package from your project dependencies and replace it with a trusted alternative. Additionally, conducting a thorough security audit and following security best practices will help mitigate any potential risks. For further support and assistance, please reach out to DevNack.com.

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FAQ

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including this specific issue.

The malicious code in tpreproofcandy can lead to the execution of spyware and information-stealing malware. This can result in unauthorized access to sensitive data, compromise of user privacy, and potential damage to the reputation of affected applications and organizations.

The recommended fix is to remove the tpreproofcandy package from your project dependencies and replace it with a trusted alternative. Additionally, conducting a thorough security audit and implementing security best practices is crucial to mitigate any potential risks.

Yes, the EsqueleSquad group has published nearly 6000 malicious PyPI and NPM packages. It is advisable to review your project dependencies and ensure that none of the packages are from this group. Consider using Vulert's playground or other security tools to identify and address any potential vulnerabilities.

If you have identified this vulnerability in your application or need further assistance, please contact info@devnack.com. Our team will be happy to provide guidance and support in addressing this issue.

How To Fix

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

pip uninstall tpreproofcandy

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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