Malicious Code Injection in lively_falcon_z3n Package - npm Vulnerability
Summary
MAL-2025-95287: Malicious code in lively_falcon_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The lively_falcon_z3n package is part of the npm ecosystem, which is widely used for JavaScript development. This package has been identified as part of a malicious campaign that aims to exploit npm's publishing capabilities. It is designed to automatically generate and publish derivative packages with altered metadata, which can lead to reputation inflation for malicious actors.
Vulnerability Detail
The vulnerability stems from the package's malicious payload that modifies the package.json file by removing private flags and changing version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to significant issues, including the potential for developers to unknowingly install compromised packages, thereby exposing their applications to further vulnerabilities.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lively_falcon_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, avoid using the lively_falcon_z3n package until a secure version is released. You can also monitor your dependencies using tools like Vulert, which allows you to check for vulnerabilities in your package-lock.json without requiring any installation. To use Vulert, visit https://vulert.com/scanner and upload your package-lock.json file to see if your application is affected.
Conclusion
The lively_falcon_z3n package poses a significant risk due to its malicious behavior of altering package metadata and republishing compromised versions. It is essential for developers to remove this package and monitor their dependencies to maintain the security of their applications.
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FAQ
lively_falcon_z3n is an npm package that has been identified as part of a malicious campaign targeting the npm registry.
If you have the lively_falcon_z3n package installed, your application may be at risk of using compromised code, which can lead to security breaches.
You should uninstall the package immediately and check your package-lock.json for any references to it. Consider using Vulert to monitor your dependencies.
Currently, there is no patched version available. It is recommended to remove the package until a secure version is released.
You can use Vulert to monitor and alert you in real-time for open-source vulnerabilities in your software by analyzing your package-lock.json file.
