Malicious Code Injection in passive_sole_z3n Package
Summary
MAL-2025-95856: Malicious code in passive_sole_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The passive_sole_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 token rewards. However, it has been identified as containing malicious code that compromises its integrity.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall passive_sole_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 passive_sole_z3n package and monitor your project's dependencies for any instances of this package. You can also use tools like Vulert to scan your package-lock.json file for vulnerabilities.
Conclusion
The passive_sole_z3n package has been identified as containing malicious code that poses significant risks to developers and the npm ecosystem. It is crucial to remove this package from your projects and monitor for any vulnerabilities using tools like Vulert to ensure the security of your applications.
See every vulnerability recorded for passive_sole_z3n →
FAQ
The passive_sole_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation of derivative packages.
The vulnerability can lead to the introduction of malicious code into your project, potentially compromising its security and integrity.
You should uninstall the passive_sole_z3n package immediately and check for any dependencies that may be affected.
Yes, you can use Vulert to monitor your package-lock.json file for open-source vulnerabilities in real-time without needing to install any additional software.
You can find detailed information about this vulnerability in the official npm registry or by using vulnerability scanning tools like Vulert.
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