Malicious Code Injection in mutaus-mansis-nutayi: A Threat to npm Packages
Summary
MAL-2025-161096: Malicious code in mutaus-mansis-nutayi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
mutaus-mansis-nutayi is an npm package that has been identified as part of a malicious campaign targeting the npm registry. This package, like others in the campaign, is designed to manipulate developer reputation scores through the automatic generation and publication of derivative packages. The malicious nature of this package stems from its ability to alter critical files and continuously republish variants, thereby polluting the npm ecosystem.
Vulnerability Detail
The vulnerability in mutaus-mansis-nutayi originates from its association with the tea.xyz token reward campaign, which employs autopublish scripts to create and publish numerous derivative packages with randomized names. This malicious payload modifies the package.json file by removing private flags, changing version numbers, and generating random package names. The continuous republishing of these variants can lead to a polluted npm registry, affecting developers and users alike by introducing potentially harmful code into their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutaus-mansis-nutayi
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 affected package by removing it from your project dependencies and replacing it with a trusted alternative. Always verify the integrity and source of any packages before including them in your project.
Conclusion
The mutaus-mansis-nutayi package poses a significant threat due to its malicious code designed to manipulate npm registry and developer reputation. Immediate action is required to remove the package and safeguard your projects from potential harm. Regular monitoring and updates are essential to maintain security in your development environment.
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FAQ
mutaus-mansis-nutayi is an npm package that has been identified as part of a malicious campaign to manipulate developer reputation scores.
The vulnerability can lead to the introduction of malicious code into your project, potentially compromising its security and functionality.
You should uninstall the package immediately using the command npm uninstall mutaus-mansis-nutayi and check for any other affected packages.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time by analyzing your package-lock.json file.
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