Malicious Code Detected in nice_chinchilla_z3n Package - npm Vulnerability
Summary
MAL-2025-88775: Malicious code in nice_chinchilla_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The nice_chinchilla_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code modules. However, it has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the automated generation and publication of derivative packages.
Vulnerability Detail
The vulnerability originates from the package's involvement in a token reward campaign that floods the npm registry with malicious packages. These packages contain scripts designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to pollution of the npm registry and can compromise the integrity of projects that depend on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nice_chinchilla_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 avoid using the nice_chinchilla_z3n package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The nice_chinchilla_z3n package has been identified as malicious, posing a significant risk to applications that utilize it. It is essential to remove this package and monitor your projects for vulnerabilities to maintain security.
See every vulnerability recorded for nice_chinchilla_z3n →
FAQ
The nice_chinchilla_z3n package is a JavaScript package available on npm, intended for use in various applications but has been identified as malicious.
The vulnerability can lead to the introduction of malicious code into your application, potentially compromising its security and integrity.
You should uninstall the nice_chinchilla_z3n package immediately and monitor your application for any unusual behavior.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
