Malicious code in urlpyw (PyPI)

urlpyw Updated 02 Oct 2025

Summary

23/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7794: Malicious code in urlpyw (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

urlpyw is a package available on PyPI that provides functionality related to URLs. It is vulnerable to a malicious code injection attack.

Vulnerability Detail

The urlpyw package has been found to contain malicious code. This code can execute spyware and information-stealing malware on the affected system. The malicious code was introduced in version 0 of the package. The source of this vulnerability is a group called EsqueleSquad, who published nearly 6000 malicious PyPi and NPM packages. The impact of this vulnerability can be severe, as it can compromise the security and privacy of the affected system.

How To Fix

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

pip uninstall urlpyw

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 for this vulnerability. However, it is advisable to exercise caution while installing packages from unknown or untrusted sources.

Conclusion

The urlpyw package on PyPI has been found to contain malicious code, which can compromise the security and privacy of the affected system. It is important to remove the affected version and regularly update packages from trusted sources to mitigate the risk. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

urlpyw is a package available on PyPI that provides functionality related to URLs.

This vulnerability was discovered by the Checkmarx team, who identified the presence of malicious code in the urlpyw package.

The impact of this vulnerability can be severe, as it can compromise the security and privacy of the affected system by executing spyware and information-stealing malware.

To fix this vulnerability, it is recommended to remove the affected version of urlpyw (version 0) from your system and regularly update your packages from trusted sources.

There is no specific workaround mentioned for this vulnerability. However, it is advisable to exercise caution while installing packages from unknown or untrusted sources.

How To Fix

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

pip uninstall urlpyw

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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