Malicious Code Injection in teagood-yakuza90: A Threat to npm Users
Summary
MAL-2025-168053: Malicious code in teagood-yakuza90 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
teagood-yakuza90 is an npm package that is part of the tea.xyz token reward campaign. This package is designed to interact with the npm ecosystem, potentially providing functionalities related to token rewards. However, it has been identified as a malicious package that employs scripts to manipulate its own metadata and publish derivative versions, thereby inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in teagood-yakuza90 stems from its inclusion in a malicious campaign that uses autopublish scripts to generate and publish numerous derivative packages with randomized names. This behavior not only pollutes the npm registry but also modifies the package.json file to remove private flags and alters version numbers. The ramifications include compromised package integrity, potential security risks for users who install these packages, and a degraded npm ecosystem due to the proliferation of spammy packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall teagood-yakuza90If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can avoid using the teagood-yakuza90 package and monitor your project for any dependencies that may inadvertently include it. Regularly audit your npm packages using tools like npm audit to identify and address vulnerabilities.
Conclusion
The teagood-yakuza90 package poses a significant risk due to its malicious behavior of modifying package metadata and flooding the npm registry with spammy packages. Users are advised to uninstall the package and monitor their dependencies for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
teagood-yakuza90 is an npm package associated with the tea.xyz token reward campaign, which has been identified as malicious.
The vulnerability can lead to the installation of malicious code that modifies your package.json file and publishes spammy packages, compromising your project's integrity.
You should uninstall the package immediately using npm uninstall teagood-yakuza90 and audit your project for any other vulnerabilities.
You can use tools like npm audit to check for vulnerabilities in your dependencies and consider using Vulert to monitor your package-lock.json for real-time alerts.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
