Critical Malicious Code Vulnerability in interface-builder-kit Package

interface-builder-kit Updated 20 Mar 2026

Summary

20/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1951: Malicious code in interface-builder-kit (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The interface-builder-kit is an npm package designed to facilitate the development of user interfaces by providing various tools and components. However, it has been identified as containing malicious code that compromises the security of any system where it is installed. This vulnerability poses a significant risk as it can lead to unauthorized access and control over sensitive information.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the interface-builder-kit package. This code can fully compromise any computer that has the package installed, allowing an attacker to gain control over the system. The ramifications include potential data breaches, unauthorized access to secrets and keys, and the installation of additional malicious software. Due to the nature of the compromise, simply removing the package may not eliminate all threats, as the attacker may have already established persistent access.

How To Fix

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

npm uninstall interface-builder-kit

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

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Workaround

As there is no direct workaround to mitigate the effects of this vulnerability, the best course of action is to uninstall the package and secure your system. Ensure that you monitor your environment for any unusual activity following the removal.

Conclusion

The interface-builder-kit package has been identified as containing malicious code that poses a severe security risk. Immediate action is required to uninstall the package and secure any sensitive information. Regular monitoring and the use of tools like Vulert can help prevent future vulnerabilities.

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FAQ

Immediately uninstall the package using npm uninstall interface-builder-kit and rotate any sensitive information stored on the affected system.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.

The consequences include unauthorized access to your system, potential data breaches, and the risk of further malicious software being installed.

After uninstalling the package, ensure that you rotate all sensitive information and monitor your system for any signs of continued compromise.

While many npm packages are safe, it is essential to review and monitor the packages you use regularly. Utilizing tools like Vulert can help you stay informed about vulnerabilities.

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 interface-builder-kit

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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