Malicious Code Injection in mutrio-nuyait-mulidao Package
Summary
MAL-2025-161170: Malicious code in mutrio-nuyait-mulidao (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mutrio-nuyait-mulidao package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate token rewards through the automatic generation and publication of derivative packages. However, it has been identified as containing malicious code that compromises its integrity and the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the mutrio-nuyait-mulidao package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The intent is to inflate developer reputation scores for token rewards by continuously republishing these variants, leading to pollution of the npm registry and potential security risks for users who inadvertently install these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutrio-nuyait-mulidaoIf 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 mutrio-nuyait-mulidao package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The mutrio-nuyait-mulidao package has been identified as containing malicious code that poses significant risks to users and the npm ecosystem. It is essential to uninstall this package and monitor your projects for vulnerabilities to maintain security.
See every vulnerability recorded for mutrio-nuyait-mulidao →
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 modify your package.json file, remove private flags, and lead to the installation of unwanted or harmful packages.
You should uninstall the package immediately and check for any dependencies that may have been affected.
Yes, you can use Vulert, which monitors and alerts you 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 without any signup.
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