Malicious Code Detected in @zalastax/nolb-bootsty Package

@zalastax/nolb-bootsty Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-10808: Malicious code in @zalastax/nolb-bootsty (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The @zalastax/nolb-bootsty package is an npm library designed for styling and enhancing user interfaces in web applications. It offers various components and utilities that developers can leverage to create visually appealing and responsive designs. However, this package has been found to contain malicious code, posing a significant risk to applications that utilize it.

Vulnerability Detail

The vulnerability in the @zalastax/nolb-bootsty package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue originates from version 0 and affects all subsequent versions, making it critical for developers to address this vulnerability promptly.

How To Fix

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

npm uninstall @zalastax/nolb-bootsty

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 using alternative packages that provide similar functionality without the associated risks. Always ensure to review the security status of any package before integrating it into your project.

Conclusion

The @zalastax/nolb-bootsty package has been identified as containing malicious code, posing a serious threat to applications that utilize it. Developers are urged to uninstall the package and monitor for any updates or patches. Utilizing tools like Vulert can help in maintaining the security of your applications by providing real-time alerts for vulnerabilities.

See every vulnerability recorded for @zalastax/nolb-bootsty →

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FAQ

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

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

Immediately uninstall the package and consider using alternative libraries that offer similar features without the security risks.

Currently, there is no patched version available. It is recommended to remove the package until a secure version is released.

Regularly audit your dependencies using tools like Vulert and keep your packages updated to the latest secure versions.

How To Fix

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

npm uninstall @zalastax/nolb-bootsty

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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