Malicious Code Injection in teagood-manaki80: A Threat to npm Ecosystem

teagood-manaki80 Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-167149: Malicious code in teagood-manaki80 (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

teagood-manaki80 is an npm package that is part of a token reward campaign associated with the tea.xyz protocol. This package is designed to incentivize developers through rewards, but it has been compromised to include malicious scripts that manipulate package metadata. The vulnerability stems from the package's functionality, which is intended to publish derivative packages, but has been exploited to generate harmful variants that can pollute the npm registry.

Vulnerability Detail

The vulnerability in teagood-manaki80 originates from its inclusion in a campaign that floods the npm ecosystem with malicious packages. The package contains scripts that automatically modify the package.json file to remove private flags, alter version numbers, and create random package names. This behavior not only inflates developer reputation scores but also leads to the continuous republishing of these malicious variants, posing a significant risk to the integrity of the npm registry and potentially affecting users who unknowingly install these compromised packages.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall teagood-manaki80

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

As a temporary measure, you can avoid using the teagood-manaki80 package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.

Conclusion

The teagood-manaki80 package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry with harmful variants. It is crucial for developers to remove this package and monitor their projects for vulnerabilities using tools like Vulert. Staying informed and proactive can help maintain the integrity of the software ecosystem.

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FAQ

teagood-manaki80 is an npm package associated with the tea.xyz token reward campaign, designed to incentivize developers.

The package modifies package.json files, removes private flags, changes version numbers, and generates random package names, leading to the pollution of the npm registry.

You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.

You should uninstall the package immediately using the command npm uninstall teagood-manaki80 and look for alternative solutions.

Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software using just the package-lock.json file.

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How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall teagood-manaki80

If 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 →

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