Malicious Code Vulnerability in actual_koi-appteadev Package

actual_koi-appteadev Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-99103: Malicious code in actual_koi-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The actual_koi-appteadev package is part of the npm ecosystem, primarily used for developing applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through automated publishing scripts.

Vulnerability Detail

The vulnerability in the actual_koi-appteadev package stems from its inclusion in a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of these variants, polluting the npm registry and potentially compromising the integrity of applications that depend on this package. The malicious payload can inflate developer reputation scores fraudulently, posing a risk to the npm ecosystem.

How To Fix

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

npm uninstall actual_koi-appteadev

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 avoid using the actual_koi-appteadev package entirely and look for alternative packages that provide similar functionality without the associated risks.

Conclusion

The actual_koi-appteadev package contains a serious vulnerability that can compromise the integrity of applications relying on it. It is crucial to remove this package and monitor for any updates. Utilizing tools like Vulert can help in identifying vulnerabilities in your projects.

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FAQ

It is an npm package associated with the tea.xyz token reward campaign, known for flooding the npm registry with malicious packages.

The vulnerability can lead to the pollution of the npm registry and compromise the integrity of applications that depend on the actual_koi-appteadev package.

You should remove the actual_koi-appteadev package from your project and monitor for any updates or patches.

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 use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.

How To Fix

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

npm uninstall actual_koi-appteadev

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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