Malicious Code Detected in fluidapp Package - Security Alert

fluidapp Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-20721: Malicious code in fluidapp (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The fluidapp package is an npm library designed to facilitate fluid application development. It offers various functionalities to streamline the development process, making it popular among developers. However, it has been identified to contain malicious code, posing significant security risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the fluidapp package arises from the inclusion of malicious code, which can compromise the integrity and security of applications that depend on it. This code may lead to unauthorized access, data breaches, or other malicious activities. The issue originates from version 0 and affects all subsequent versions, making it critical for users to take immediate action.

How To Fix

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

npm uninstall fluidapp

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, consider removing the fluidapp package from your project until a secure version is released. You can do this by executing the command: 'npm uninstall fluidapp'. This will help mitigate the risks associated with the malicious code.

Conclusion

The fluidapp package has been identified to contain malicious code, posing a serious threat to applications that utilize it. Users are strongly advised to update or remove the package to safeguard their applications. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities effectively.

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FAQ

Fluidapp is an npm library designed to assist developers in creating fluid applications, providing various tools and functionalities.

The specific nature of the malicious code has not been disclosed, but it poses significant security risks, including potential data breaches.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By utilizing the package-lock.json file, Vulert can help identify if your application is affected by this vulnerability.

Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any signup or installation.

If immediate updates are not feasible, consider removing the fluidapp package as a temporary measure to mitigate risks until a secure version is available.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall fluidapp

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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