Malicious Code Injection in constant_bedbug_z3n Package
Summary
MAL-2025-93748: Malicious code in constant_bedbug_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The constant_bedbug_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. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious intent behind the constant_bedbug_z3n package, 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 variants, polluting the npm registry and potentially impacting other developers by inflating reputation scores fraudulently. The malicious payload can also lead to unintended consequences for users who unknowingly install these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall constant_bedbug_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 constant_bedbug_z3n package and any other packages associated with the tea.xyz token reward campaign. Regularly audit your dependencies using tools like npm audit to identify and mitigate vulnerabilities.
Conclusion
The constant_bedbug_z3n package poses a significant risk due to its malicious code that modifies package metadata and repopulates the npm registry with compromised packages. It is crucial to remove this package and monitor your dependencies to maintain the integrity of your projects.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and may cause your project to depend on compromised packages, affecting its integrity.
You should uninstall the constant_bedbug_z3n package immediately and check for any other affected packages in your project.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.
