Malicious Code Vulnerability in experimental_perch_z3n Package
Summary
MAL-2025-94386: Malicious code in experimental_perch_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The experimental_perch_z3n package is part of the npm ecosystem, which is used for managing JavaScript packages. This package has been identified as part of a larger malicious campaign that aims to manipulate the npm registry by flooding it with derivative packages. The primary functionality of this package is to serve as a token reward mechanism for the tea.xyz project, but it has been compromised to include harmful scripts.
Vulnerability Detail
The vulnerability originates from the package being associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages contain scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior can lead to the pollution of the npm registry, potentially harming developers' reputations and causing security risks in applications that depend on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall experimental_perch_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 experimental_perch_z3n package and monitor your package dependencies for any signs of malicious activity. Additionally, consider using tools 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 experimental_perch_z3n package has been identified as a malicious entity within the npm ecosystem, posing significant risks to developers and their applications. It is crucial to remove this package and monitor for any updates or patches to ensure the security of your projects.
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FAQ
It is an npm package that is part of a token reward campaign but has been compromised to include malicious code.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your application by introducing malicious code.
You should remove the experimental_perch_z3n package from your project immediately and monitor for any updates or patches.
You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities without needing to sign up.
