Malicious Code Injection in Decent Donkey Z3N Package

decent_donkey_z3n Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-101243: Malicious code in decent_donkey_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The decent_donkey_z3n package is part of the npm ecosystem, often associated with token reward campaigns. It is designed to facilitate the distribution of software packages. However, it has been identified as a vehicle for malicious activities, including the automatic generation and publication of derivative packages that can compromise the integrity of the npm registry.

Vulnerability Detail

The vulnerability in the decent_donkey_z3n package originates from its association with the tea.xyz token reward campaign. It contains scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the pollution of the npm registry and can inflate developer reputation scores fraudulently. The malicious payload poses risks to developers and users by potentially introducing untrusted code into their projects.

How To Fix

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

npm uninstall decent_donkey_z3n

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

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Workaround

As a temporary workaround, you can avoid using the decent_donkey_z3n package altogether and look for alternative packages that provide similar functionality without the associated risks.

Conclusion

The decent_donkey_z3n package has been identified as containing malicious code that can compromise the integrity of the npm registry and your projects. It is essential to uninstall this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help you stay informed about potential risks in your open-source software.

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FAQ

The decent_donkey_z3n package is an npm package associated with token reward campaigns, which has been identified as containing malicious code.

This vulnerability can lead to the introduction of untrusted code into your project, potentially compromising its security and integrity.

You should uninstall the decent_donkey_z3n package immediately and check for any dependencies that may be affected.

Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

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How To Fix

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

npm uninstall decent_donkey_z3n

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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