Malicious Code Injection in polymedr-munssat-budipe Package
Summary
MAL-2025-164448: Malicious code in polymedr-munssat-budipe (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The polymedr-munssat-budipe 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. However, it has been identified as containing malicious code that modifies its own configuration and behavior.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which alters the package.json file to remove private flags and changes version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to significant issues, including the compromise of developer accounts and the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymedr-munssat-budipeIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the polymedr-munssat-budipe package and monitor your project for any dependencies that may have been affected by this malicious code. Regularly check your package-lock.json file for any unexpected changes.
Conclusion
The polymedr-munssat-budipe package has been identified as containing malicious code that poses a significant risk to developers and the npm ecosystem. Immediate action is required to remove this package and safeguard your project from potential threats.
See every vulnerability recorded for polymedr-munssat-budipe →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code can compromise your project's integrity by altering configurations and publishing unauthorized packages, which may lead to security risks.
You should uninstall the polymedr-munssat-budipe package immediately and check for any other affected dependencies in your project.
No patch is available for this specific package; the recommended action is to remove it from your project.
You can use Vulert, which monitors and alerts you in real-time for open-source vulnerabilities using just your package-lock.json. You can also check your application for vulnerabilities using the Vulert playground without any signup.
