Malicious Code Injection in long_eagle_z3n Package - npm Vulnerability
Summary
MAL-2025-87991: Malicious code in long_eagle_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The long_eagle_z3n package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability in the long_eagle_z3n package originates from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of these variants, polluting the npm registry and potentially affecting other packages and developers. The malicious scripts included in this package are designed to automate the exploitation of the npm ecosystem, posing significant risks to users and their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall long_eagle_z3n
If 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 the long_eagle_z3n package by using npm's package-lock.json file to lock your dependencies. Additionally, consider using a tool like Vulert to monitor your project for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The long_eagle_z3n package has been identified as containing malicious code that poses a significant risk to users and the npm ecosystem. It is crucial to uninstall this package and monitor your applications for vulnerabilities to maintain security.
See every vulnerability recorded for long_eagle_z3n →
FAQ
The long_eagle_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of derivative packages.
The malicious code modifies your package.json file, removes private flags, and generates random package names, which can lead to the pollution of the npm registry and compromise your application's integrity.
You should uninstall the long_eagle_z3n package immediately using the command npm uninstall long_eagle_z3n and check your package-lock.json for any references to it.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time. It requires only your package-lock.json file for analysis.
You can check if your application is affected by this vulnerability using the Vulert playground at Vulert Scanner without needing to sign up.