Malicious code in tpguistring (pypi)

tpguistring Updated 02 Oct 2025

Summary

25/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7087: Malicious code in tpguistring (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

The tpguistring package is an open-source Python package available on PyPI. It is used for handling string operations in Python applications. The package provides various functions and utilities for manipulating and formatting strings. However, the package has been found to contain malicious code, which poses a security risk to applications that use it.

Vulnerability Detail

The tpguistring package has been identified as containing malicious code introduced in version 0. This malicious code was discovered by Checkmarx, who found that the package was part of a larger group of nearly 6000 PyPi and NPM packages published by the EsqueleSquad group. These packages execute spyware and information-stealing malware. The specific impact and technical details of the malicious code in tpguistring are not provided in the vulnerability report.

How To Fix

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

pip uninstall tpguistring

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 specific workaround mentioned in the vulnerability report. However, as a general best practice, it is advisable to regularly monitor and update the packages used in your application to mitigate the risk of using vulnerable or malicious packages.

Conclusion

The tpguistring package on PyPI has been found to contain malicious code, which poses a security risk to applications that use it. It is recommended to remove the package and replace it with a trusted alternative. Regularly updating and reviewing the packages used in your application is crucial to ensure they are free from known vulnerabilities. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

tpguistring is a Python package available on PyPI that provides string manipulation and formatting utilities.

The malicious code in tpguistring was discovered by Checkmarx as part of their investigation into a larger group of malicious PyPi and NPM packages published by the EsqueleSquad group.

The specific impact of the malicious code in tpguistring is not provided in the vulnerability report. However, as it is part of a larger group of packages executing spyware and information-stealing malware, it poses a significant security risk to applications that use it.

To protect your application, it is recommended to remove the tpguistring package and replace it with a trusted alternative. Regularly updating and reviewing the packages used in your application is also crucial to mitigate the risk of using vulnerable or malicious packages.

Yes, you can use Vulert (https://vulert.com) to check if your application is affected by this vulnerability. Vulert uses Pipfile.lock to monitor and alert in real-time for open-source vulnerabilities in software.

How To Fix

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

pip uninstall tpguistring

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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