Malicious Code Injection in teagood-cuekin90: A Threat to npm Ecosystem
Summary
MAL-2025-166860: Malicious code in teagood-cuekin90 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
teagood-cuekin90 is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages with randomized names. It aims to inflate developer reputation scores for tea protocol token rewards, but it has been identified as containing malicious code that compromises the integrity of the npm registry.
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 Indonesian-themed package names and continuously republishes variants, leading to pollution of the npm registry. This behavior can result in unauthorized access to sensitive information and the potential for further exploitation within the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall teagood-cuekin90If 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 affected package and look for alternative packages that provide similar functionality without the associated risks. You can also use tools like Vulert to monitor your project for vulnerabilities. For example, you can check your application using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The teagood-cuekin90 package poses a significant threat to the npm ecosystem due to its malicious code that alters package metadata and repopulates the registry with harmful variants. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
The primary risk is the malicious code that modifies package.json, potentially leading to unauthorized access and pollution of the npm registry.
You can use Vulert's monitoring tools to check your package-lock.json for vulnerabilities related to the teagood-cuekin90 package.
You should immediately uninstall the package using 'npm uninstall teagood-cuekin90' and review your dependencies for any other vulnerabilities.
Yes, you should look for other npm packages that provide similar functionality without the associated risks. Always verify the package's reputation before installation.
Regularly update your dependencies, use trusted sources, and employ tools like Vulert to monitor for vulnerabilities in real-time.
