Malicious Code Injection in extraordinary_lamprey_z3n Package
Summary
MAL-2025-102440: Malicious code in extraordinary_lamprey_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The extraordinary_lamprey_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 are often used to inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the extraordinary_lamprey_z3n package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, which leads to the continuous republishing of variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches and loss of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall extraordinary_lamprey_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 extraordinary_lamprey_z3n package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities.
Conclusion
The extraordinary_lamprey_z3n package contains malicious code that poses significant risks to developers and the npm ecosystem. It is crucial to remove this package and monitor for vulnerabilities to maintain the security of your projects.
See every vulnerability recorded for extraordinary_lamprey_z3n →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of derivative packages.
The malicious code modifies your package.json file and can lead to the publication of compromised packages, affecting the integrity of your project.
You should remove the extraordinary_lamprey_z3n package from your project and monitor for any updates or patches.
Yes, Vulert can monitor your project for open-source vulnerabilities in real-time using your package-lock.json file.
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