Malicious Code Injection in cache-simple-awk-sudo-class Package

cache-simple-awk-sudo-class Updated 27 Nov 2025

Summary

13/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-185969: Malicious code in cache-simple-awk-sudo-class (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cache-simple-awk-sudo-class package is part of the npm ecosystem, often used for caching purposes in JavaScript applications. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through automated publishing scripts.

Vulnerability Detail

The vulnerability originates from a malicious payload embedded within the cache-simple-awk-sudo-class package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The intent is to continuously republish these variants, polluting the npm registry and potentially compromising other projects that depend on this package. The ramifications include loss of control over package integrity and exposure to further malicious activities.

How To Fix

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

npm uninstall cache-simple-awk-sudo-class

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

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Workaround

As a temporary workaround, you can avoid using the cache-simple-awk-sudo-class package and look for alternative packages that provide similar functionality without the associated risks.

Conclusion

The cache-simple-awk-sudo-class package poses a significant risk due to its malicious code that alters package configurations and floods the npm registry. It is essential for developers to remove this package and monitor their projects for vulnerabilities to maintain security.

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FAQ

It is an npm package used for caching in JavaScript applications, but it has been identified as malicious.

The vulnerability can lead to unauthorized modifications in your package.json file and may expose your application to further malicious activities.

You should uninstall the package immediately and look for alternatives. Run 'npm uninstall cache-simple-awk-sudo-class' to remove it.

Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.

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How To Fix

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

npm uninstall cache-simple-awk-sudo-class

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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