Malicious Code Detected in @zalastax/nolb-multir Package
Summary
MAL-2025-12455: Malicious code in @zalastax/nolb-multir (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The @zalastax/nolb-multir package is an npm library designed for multi-layer load balancing in Node.js applications. It aims to enhance application performance by distributing network traffic efficiently. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability in the @zalastax/nolb-multir package originates 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 malicious activities. The issue affects all versions of the package starting from its introduction, 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 @zalastax/nolb-multirIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, consider using alternative packages that provide similar functionality without the associated risks. Review your application's dependencies and replace @zalastax/nolb-multir with a trusted library.
Conclusion
The discovery of malicious code in the @zalastax/nolb-multir package highlights the importance of monitoring dependencies for security vulnerabilities. Users are urged to take immediate action to protect their applications by removing the affected package and considering alternatives.
See every vulnerability recorded for @zalastax/nolb-multir →
FAQ
The malicious code can potentially allow unauthorized access and control over applications that use this package.
You can use Vulert to monitor your application for vulnerabilities. Simply upload your package-lock.json file to receive real-time alerts.
Yes, you can temporarily remove the package and use alternative libraries that offer similar functionality.
Immediately remove the package and assess your application for any potential security breaches.
Detailed information can be found in the vulnerability report on GitHub and through security advisories.
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