Malicious Code Injection in patria-moci55-kyuki Package - npm Vulnerability
Summary
MAL-2025-89427: Malicious code in patria-moci55-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The patria-moci55-kyuki 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 for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of dependent applications.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which 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, polluting the npm registry and potentially compromising the security of applications that depend on this package. The malicious code is designed to exploit the npm ecosystem by creating a flood of derivative packages, which can mislead developers and users.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall patria-moci55-kyuki
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 patria-moci55-kyuki package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time.
Conclusion
The patria-moci55-kyuki package has been identified as containing malicious code that compromises the security of applications using it. It is crucial to remove this package from your project and monitor your dependencies for vulnerabilities using tools like Vulert to ensure the integrity of your software.
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FAQ
The patria-moci55-kyuki package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability modifies package.json files, removes private flags, changes version numbers, and generates random package names, leading to pollution of the npm registry.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If you have installed the patria-moci55-kyuki package, you should uninstall it immediately using the command: npm uninstall patria-moci55-kyuki.
Yes, Vulert provides a service that monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file.