Malicious Code Injection in notable_chipmunk_z3n Package
Summary
MAL-2025-88870: Malicious code in notable_chipmunk_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The notable_chipmunk_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is suspected to be involved in a token reward campaign that has led to the proliferation of malicious packages on npm. It is designed to automate the generation and publication of derivative packages, which can compromise the integrity of the npm registry.
Vulnerability Detail
The vulnerability in the notable_chipmunk_z3n package originates from its association with a malicious campaign that modifies package.json files to remove private flags, alters version numbers, and generates random package names. This behavior not only inflates developer reputation scores but also pollutes the npm registry with potentially harmful packages. The malicious payload can lead to unintentional installations of compromised packages, exposing users to security risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall notable_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 workaround, you can remove the notable_chipmunk_z3n package from your project by executing: npm uninstall notable_chipmunk_z3n. This will prevent any potential exploitation of the vulnerability until a secure version is available.
Conclusion
The notable_chipmunk_z3n package has been identified as containing malicious code that can compromise the npm registry and potentially affect projects using it. It is crucial to update or remove the package to safeguard your applications from potential threats.
See every vulnerability recorded for notable_chipmunk_z3n →
FAQ
It is an npm package that has been linked to a malicious campaign aimed at inflating developer reputation scores through the automatic generation of derivative packages.
The vulnerability can lead to the installation of compromised packages, which may introduce security risks and affect the integrity of your project.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file.
Absolutely! You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any signup.
If immediate updates are not possible, consider removing the package as a temporary measure to mitigate risks until a secure version is available.
