Malicious Code Injection in voluminous_koi_z3n Package
Summary
MAL-2025-97299: Malicious code in voluminous_koi_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The voluminous_koi_z3n package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. It is designed to facilitate the automatic generation and publication of derivative packages. However, it has been identified as a malicious package that modifies essential files and inflates developer reputation scores through deceptive practices.
Vulnerability Detail
The vulnerability in the voluminous_koi_z3n package originates from its malicious intent to manipulate the npm registry. It contains scripts that remove private flags from package.json, alter version numbers, and generate random package names, leading to pollution of the npm registry. This can result in compromised developer reputations and potential security risks for applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall voluminous_koi_z3nIf 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 prevent the installation of this package by using npm's package-lock.json to monitor your dependencies. Ensure that your package-lock.json does not include voluminous_koi_z3n and regularly audit your dependencies for any malicious packages.
Conclusion
The voluminous_koi_z3n package poses a significant risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package and monitor their dependencies to ensure the security of their applications.
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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 alter your package.json, remove private flags, and pollute the npm registry, potentially compromising your application's security.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
You should uninstall the voluminous_koi_z3n package immediately and check for any dependencies that may be affected.
There is no patch available for the voluminous_koi_z3n package. The best course of action is to remove it from your project.
