Malicious Code Injection in whispering_pinniped-appteadev: npm Package Vulnerability
Summary
MAL-2025-110828: Malicious code in whispering_pinniped-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The whispering_pinniped-appteadev 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 and the security of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious payload embedded within the whispering_pinniped-appteadev package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which can lead to the pollution of the npm registry. The malicious scripts are designed to continuously republish these variants, potentially affecting other developers and users who rely on the npm ecosystem. The ramifications include reputational damage for developers, security risks for applications using these packages, and a compromised npm registry.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall whispering_pinniped-appteadev
If 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 whispering_pinniped-appteadev package from your project by executing the command: 'npm uninstall whispering_pinniped-appteadev'. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The whispering_pinniped-appteadev package has been identified as containing malicious code that poses a significant risk to developers and users within the npm ecosystem. It is crucial to take immediate action by updating or removing the package to safeguard your applications.
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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 malicious code can modify your package.json file, remove private flags, and republish variants, potentially compromising your application's security.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
You can temporarily uninstall the package to prevent any malicious code from executing until a secure version is available.
You can refer to the vulnerability report on the OSSF malicious packages repository for detailed information.