Malicious Code Injection in open_squirrel_z3n: npm Package Vulnerability
Summary
MAL-2025-89314: Malicious code in open_squirrel_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The open_squirrel_z3n package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate token rewards through automated publishing scripts. However, it has been identified as containing malicious code that compromises its integrity and the npm registry.
Vulnerability Detail
The vulnerability originates from the package being part of a malicious campaign that floods the npm registry with derivative packages. These packages include scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. The continuous republishing of these variants leads to pollution of the npm registry, potentially affecting developers' reputations and the overall security of the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall open_squirrel_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 open_squirrel_z3n package from your project by executing: npm uninstall open_squirrel_z3n. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The open_squirrel_z3n package has been identified as containing malicious code that compromises the integrity of the npm registry. It is crucial for developers to take immediate action by updating or uninstalling the package to protect their applications and maintain the security of the ecosystem.
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FAQ
The vulnerability involves malicious code that modifies package metadata and floods the npm registry with unwanted packages.
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Using this package can lead to security risks, including reputation damage for developers and potential exposure to further malicious activities.
Check the npm repository for any patched versions of open_squirrel_z3n. If available, updating the package will resolve the vulnerability.
As a temporary measure, uninstall the package to mitigate risks until a secure version is released.
