Malicious Code Injection in teagood-yakuna80: A Threat to npm Ecosystem
Summary
MAL-2025-167943: Malicious code in teagood-yakuna80 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
teagood-yakuna80 is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate token rewards for developers by generating and publishing derivative packages. However, it has been identified as malicious due to its functionality that modifies package metadata and floods the npm registry with unwanted variants.
Vulnerability Detail
The vulnerability in teagood-yakuna80 originates from its malicious payload, which alters the package.json file by removing private flags and changing version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants. This behavior not only inflates developer reputation scores but also pollutes the npm registry, making it difficult for legitimate packages to be found and used. The potential ramifications include compromised package integrity and increased security risks for developers relying on the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall teagood-yakuna80If 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 teagood-yakuna80 package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file for open-source vulnerabilities in real-time.
Conclusion
The teagood-yakuna80 package poses a significant threat to the npm ecosystem due to its malicious behavior. Developers are advised to remove this package from their projects and monitor their dependencies for vulnerabilities using tools like Vulert. Staying informed and proactive is essential to maintaining the integrity of your software.
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FAQ
teagood-yakuna80 is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The package modifies package.json files, removes private flags, changes version numbers, and floods the npm registry with random package variants.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
You should uninstall the package immediately using npm uninstall teagood-yakuna80 and check your project for any lingering references.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software by analyzing your package-lock.json.
