Malicious Code Injection in muda-poke29: A Threat to npm Users

muda-poke29 Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-160763: Malicious code in muda-poke29 (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

muda-poke29 is an npm package that has been identified as part of a malicious campaign targeting the npm registry. This package is designed to exploit the npm ecosystem by generating and publishing derivative packages with randomized names. The primary functionality of muda-poke29 is to participate in the tea.xyz token reward campaign, which incentivizes developers to inflate their reputation scores through the creation of numerous fake packages.

Vulnerability Detail

The vulnerability in muda-poke29 originates from its malicious code that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can compromise the integrity of the ecosystem. The malicious payload can potentially affect developers by misleading them into using compromised packages, thereby exposing their applications to further vulnerabilities.

How To Fix

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

npm uninstall muda-poke29

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 muda-poke29 package and monitor your project for any dependencies that may have inadvertently included it. Regularly check your package-lock.json file for any signs of malicious packages.

Conclusion

The muda-poke29 package poses a significant threat to the npm ecosystem due to its malicious behavior. It is crucial for developers to be vigilant and remove any instances of this package from their projects. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.

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FAQ

muda-poke29 is an npm package involved in a malicious campaign that generates fake packages to inflate developer reputation scores.

The vulnerability can lead to the inclusion of compromised packages in your project, potentially exposing it to further security risks.

You should uninstall the package immediately using the command npm uninstall muda-poke29.

Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file.

You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.

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How To Fix

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

npm uninstall muda-poke29

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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