Malicious Code Injection in level_chipmunk_z3n: A Threat to npm Packages
Summary
MAL-2025-95236: Malicious code in level_chipmunk_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
level_chipmunk_z3n is an npm package that has been implicated in a malicious campaign targeting the npm registry. This package is part of a broader initiative associated with the tea.xyz token reward system, which aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The package's functionality has been compromised, making it a vector for malicious activity.
Vulnerability Detail
The vulnerability in level_chipmunk_z3n stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is designed to pollute the npm registry and can lead to the unintentional installation of compromised packages by developers. The malicious payload is indicative of a larger trend where npm packages are exploited to manipulate developer reputation and undermine the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall level_chipmunk_z3nIf 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 prevent the installation of the compromised package by using the following command to audit your npm packages: npm audit. This will help identify any vulnerabilities in your current dependencies and allow you to take appropriate action.
Conclusion
The level_chipmunk_z3n package has been identified as a vector for malicious activity within the npm ecosystem. Developers are advised to remove this package and regularly audit their dependencies to maintain the security and integrity of their applications. Utilizing tools like Vulert can further enhance your ability to monitor for vulnerabilities.
See every vulnerability recorded for level_chipmunk_z3n →
FAQ
level_chipmunk_z3n is an npm package that has been linked to a malicious campaign aimed at manipulating developer reputation scores.
The vulnerability can lead to the installation of compromised packages, which may introduce security risks and affect the integrity of your application.
You should uninstall the package immediately using the command npm uninstall level_chipmunk_z3n and review your project's dependencies for any other vulnerabilities.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any signup.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
