Malicious Code Injection in teagood-cuekin36: A Threat to npm Packages

teagood-cuekin36 Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-166801: Malicious code in teagood-cuekin36 (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

teagood-cuekin36 is an npm package that is part of the tea.xyz token reward campaign. This package is designed to engage developers by offering token rewards for contributions. However, it has been identified as containing malicious scripts that manipulate package metadata and flood the npm registry with derivative packages, thereby compromising the integrity of the ecosystem.

Vulnerability Detail

The vulnerability in teagood-cuekin36 arises from the presence of malicious code that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to inflate developer reputation scores fraudulently and pollute the npm registry with numerous derivative packages. The origin of this issue is linked to the tea.xyz token reward campaign, which has been associated with a series of similar malicious packages.

How To Fix

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

npm uninstall teagood-cuekin36

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 →

Workaround

As a temporary workaround, you can prevent the installation of this malicious package by using npm's package-lock.json file to monitor dependencies. Ensure that your project does not include teagood-cuekin36 and regularly check for updates on your dependencies.

Conclusion

The discovery of malicious code in teagood-cuekin36 highlights the risks associated with certain npm packages, particularly those linked to token reward schemes. It is crucial for developers to remain vigilant and utilize tools like Vulert to monitor for vulnerabilities in their projects.

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FAQ

teagood-cuekin36 is an npm package associated with the tea.xyz token reward campaign, which has been found to contain malicious code.

The malicious code modifies your package.json file, removes private flags, and floods the npm registry with derivative packages, potentially harming your project's integrity.

You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.

If you have installed teagood-cuekin36, you should uninstall it immediately using the command: npm uninstall teagood-cuekin36.

Yes, there are multiple packages associated with the tea.xyz campaign that may contain similar malicious scripts. Regularly audit your dependencies to ensure they are safe.

How To Fix

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

npm uninstall teagood-cuekin36

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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