Malicious Code Injection in muny-boph-nutrui Package - npm Vulnerability Overview

muny-boph-nutrui Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-160964: Malicious code in muny-boph-nutrui (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The muny-boph-nutrui package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development and distribution of JavaScript applications. However, it has been identified as part of a malicious campaign that aims to exploit npm's publishing mechanisms, leading to potential security risks for developers and their applications.

Vulnerability Detail

The vulnerability originates from the malicious code embedded within the muny-boph-nutrui package. This code is designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. The malicious payload continuously republishes these variants to the npm registry, which can lead to pollution of the registry and damage to developer reputation. The primary risk is that developers may unknowingly install compromised packages, leading to further exploitation.

How To Fix

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

npm uninstall muny-boph-nutrui

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 avoid using the muny-boph-nutrui package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can use npm audit to check for vulnerabilities in your project dependencies.

Conclusion

The muny-boph-nutrui package poses a significant security risk due to its malicious code designed to exploit the npm registry. Developers should take immediate action to remove this package and monitor their applications for vulnerabilities. Utilizing tools like Vulert can aid in maintaining the security of your software.

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FAQ

The muny-boph-nutrui package is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.

The malicious code can modify your package.json file, remove private flags, and republish compromised versions of your packages, potentially leading to security vulnerabilities.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring signup.

If you have installed the muny-boph-nutrui package, you should uninstall it immediately using 'npm uninstall muny-boph-nutrui' and look for secure alternatives.

Yes, tools like Vulert can help monitor your dependencies for vulnerabilities in real-time, ensuring your application remains secure.

How To Fix

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

npm uninstall muny-boph-nutrui

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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