Critical Malicious Code Vulnerability in appcapsule Package

appcapsule Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-14669: Malicious code in appcapsule (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The appcapsule package is a Node.js library designed for building mobile applications. It provides developers with tools and functionalities to streamline the app development process. However, it has been identified to contain malicious code, posing significant security risks to applications that utilize this package.

Vulnerability Detail

The vulnerability in the appcapsule package stems from the inclusion of malicious code that can compromise the security of applications using this library. This malicious code can lead to unauthorized access, data breaches, or other harmful actions within the affected applications. The issue was introduced in version 0 and affects all subsequent versions.

How To Fix

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

npm uninstall appcapsule

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 remove the appcapsule package from your project by running the following command: npm uninstall appcapsule. Consider using alternative packages that provide similar functionalities without the associated risks.

Conclusion

The appcapsule package has been identified to contain malicious code, posing significant risks to applications that utilize it. It is crucial to remove this package and replace it with a secure alternative to safeguard your applications. Utilize tools like Vulert to monitor for vulnerabilities and ensure your software remains secure.

See every vulnerability recorded for appcapsule →

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FAQ

The appcapsule package is a Node.js library used for mobile application development, providing various tools and functionalities for developers.

The malicious code in appcapsule can lead to unauthorized access and potential data breaches in applications that utilize this package.

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

If immediate removal is not possible, consider implementing strict access controls and monitoring to mitigate potential risks until you can replace the package.

Yes, there are several alternative packages available for mobile application development. Research and select a package that meets your needs while ensuring it has a good security track record.

How To Fix

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

npm uninstall appcapsule

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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