Malicious code in urlpip (PyPI)

urlpip Updated 02 Oct 2025

Summary

23/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7792: Malicious code in urlpip (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

urlpip is a Python package available on PyPI that provides functionality for working with URLs. It is commonly used for tasks such as parsing, manipulating, and resolving URLs. The package is widely used in various Python projects and is an essential component of many web applications. However, a recent vulnerability has been discovered in urlpip that allows the execution of malicious code.

Vulnerability Detail

The vulnerability in urlpip is a result of the inclusion of malicious code in the package. The code was introduced in version 0 and has been identified as part of a larger campaign by the EsqueleSquad group. This group has published nearly 6000 malicious PyPi and NPM packages, which execute spyware and information-stealing malware. The specific impact of this vulnerability may vary depending on the payload delivered by the malicious code, but it poses a significant risk to the security and integrity of affected systems.

How To Fix

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

pip uninstall urlpip

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

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Workaround

There is no known workaround for this vulnerability. It is crucial to update to a patched version of urlpip to mitigate the risk of exploitation.

Conclusion

The presence of malicious code in urlpip poses a significant risk to the security and integrity of affected systems. It is crucial to update to a patched version of urlpip as soon as possible to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact 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, and Vulert will analyze it in real-time and alert you if any open-source vulnerabilities, including this one, are found.

The potential consequences of this vulnerability include the execution of spyware and information-stealing malware on affected systems. This can lead to unauthorized access to sensitive information, compromise of user credentials, and other security breaches.

At this time, there is no specific evidence of exploitation of this vulnerability in the wild. However, given the widespread distribution of the malicious packages and the potential impact, it is important to take immediate action to protect your systems.

The only known mitigation for this vulnerability is to update to a patched version of urlpip. It is crucial to ensure that all instances of the package in your environment are updated to the latest version to eliminate the risk of exploitation.

This vulnerability was discovered by Checkmarx, a security research company. They have been actively monitoring and analyzing open-source packages for malicious code and vulnerabilities.

How To Fix

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

pip uninstall urlpip

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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