Malicious Code Injection in polymedarnan-nut-nuts Package
Summary
MAL-2025-164410: Malicious code in polymedarnan-nut-nuts (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The polymedarnan-nut-nuts package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores in exchange for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the integrity of the npm ecosystem but can also lead to potential exploitation of developers who unknowingly use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymedarnan-nut-nutsIf 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 polymedarnan-nut-nuts package and look for alternative packages that provide similar functionality without the associated risks. Always verify the source and integrity of packages before installation.
Conclusion
The polymedarnan-nut-nuts package has been identified as containing malicious code that compromises the integrity of the npm ecosystem. It is essential to remove this package from your projects and monitor for vulnerabilities using tools like Vulert to ensure the security of your applications.
See every vulnerability recorded for polymedarnan-nut-nuts →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json, removes private flags, and can lead to the installation of compromised packages, affecting your project's security.
You should uninstall the polymedarnan-nut-nuts package immediately using the command: npm uninstall polymedarnan-nut-nuts.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using your package-lock.json file. You can check for vulnerabilities without any signup at the Vulert playground.
Yes, you should look for other npm packages that provide similar functionalities but have a good reputation and are actively maintained.
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