Malicious code in urlcandy (PyPI)

urlcandy Updated 02 Oct 2025

Summary

23/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7777: Malicious code in urlcandy (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

urlcandy is a package available on PyPI that provides functionality related to URLs. It is used to manipulate and extract information from URLs in Python applications. However, this package has been found to contain malicious code.

Vulnerability Detail

The urlcandy package from PyPI has been compromised by the EsqueleSquad group, who published nearly 6000 malicious PyPi and NPM packages. These packages execute spyware and information-stealing malware. The specific vulnerability in urlcandy allows the execution of arbitrary code when the package is installed or used in a Python application. This can lead to unauthorized access, data theft, and other malicious activities.

How To Fix

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

pip uninstall urlcandy

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 for this vulnerability. The best course of action is to follow the steps mentioned in the 'how_to_fix' section.

Conclusion

The urlcandy package from PyPI has been found to contain malicious code, posing a significant security risk to applications that use it. It is crucial to remove this package and replace it with a trusted alternative to mitigate the vulnerability. Regularly updating and monitoring the packages used in your application is essential to maintain a secure software ecosystem. For further support on vulnerability remediation, you can 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 one.

The consequences of this vulnerability can be severe. It can lead to unauthorized access to sensitive data, data theft, and the execution of malicious code on the affected system. It is crucial to address this vulnerability promptly to mitigate these risks.

There is no official fix or patch available for this vulnerability in the urlcandy package. The recommended solution is to remove the package and replace it with a trusted alternative.

There have been reports of the EsqueleSquad group publishing malicious packages, including urlcandy, but specific instances of this vulnerability being exploited in the wild may vary. It is important to stay vigilant and take necessary precautions to protect your applications.

To ensure the security of your Python packages, it is recommended to regularly update and monitor the packages used in your application. Use trusted sources for package installation, and consider using tools like Vulert to detect and address any vulnerabilities in your dependencies.

How To Fix

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

pip uninstall urlcandy

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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