Malicious Code Detected in teagood-yakuna21: A Threat to npm Ecosystem
Summary
MAL-2025-167878: Malicious code in teagood-yakuna21 (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
teagood-yakuna21 is an npm package that is part of the tea.xyz token reward campaign. This package is designed to interact with the npm registry, potentially inflating developer reputation scores through automated publishing of derivative packages. The package's functionality is compromised by malicious scripts that manipulate its metadata and behavior.
Vulnerability Detail
The vulnerability in teagood-yakuna21 originates from malicious code embedded within the package. This code is designed to remove private flags from package.json, alter version numbers, and generate random package names, leading to the continuous republishing of these variants. The ramifications include pollution of the npm registry, which can undermine the integrity of the ecosystem and affect developers relying on legitimate packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall teagood-yakuna21If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can avoid using the affected package by removing it from your project and replacing its functionality with a trusted alternative. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The discovery of malicious code in the teagood-yakuna21 package highlights the importance of vigilance in managing npm packages. By understanding the nature of this vulnerability and taking appropriate actions, developers can protect their projects and maintain the integrity of the npm ecosystem.
See every vulnerability recorded for teagood-yakuna21 →
FAQ
teagood-yakuna21 is an npm package associated with the tea.xyz token reward campaign, which has been identified to contain malicious code.
The malicious code modifies your package.json file, removes private flags, and generates random package names, which can lead to pollution of the npm registry and affect your project's integrity.
You should uninstall the package immediately using 'npm uninstall teagood-yakuna21' and check for any dependencies that may be affected.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly audit your dependencies, keep your packages updated, and use tools like Vulert to monitor for vulnerabilities in your projects.
