Malicious Code Injection in uarug-miuafi-sut: A Threat to npm Users

uarug-miuafi-sut Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-169625: Malicious code in uarug-miuafi-sut (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'uarug-miuafi-sut' is part of the npm ecosystem, which is widely used for JavaScript package management. It is often utilized in various applications to enhance functionality and streamline development processes. However, this package has been identified as part of a malicious campaign that aims to exploit npm's publishing capabilities, leading to potential security risks for developers and users alike.

Vulnerability Detail

The vulnerability in 'uarug-miuafi-sut' stems from its association with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts designed to automatically modify the package.json file, removing private flags and altering version numbers. This behavior not only compromises the integrity of the package but also leads to the proliferation of potentially harmful variants that can pollute the npm registry, affecting other developers and applications.

How To Fix

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

npm uninstall uarug-miuafi-sut

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 measure, you can avoid using the 'uarug-miuafi-sut' package and replace it with a reputable alternative that provides similar functionality. Always verify the source and integrity of packages before installation.

Conclusion

The 'uarug-miuafi-sut' package poses a significant security risk due to its malicious code that alters package configurations and floods the npm registry. It is essential for developers to take immediate action by uninstalling the package and monitoring their applications for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.

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FAQ

The main issue is that it contains malicious code that modifies package.json files and floods the npm registry with harmful variants.

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

You should uninstall the package immediately using 'npm uninstall uarug-miuafi-sut' and review your project's dependencies for any other potential vulnerabilities.

Yes, there are many reputable packages available on npm that can serve similar purposes. Always ensure to check the package's reputation and reviews.

Regularly update your dependencies, use tools like Vulert for monitoring vulnerabilities, and only install packages from trusted sources.

How To Fix

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

npm uninstall uarug-miuafi-sut

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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