Critical Malicious Code Vulnerability in clupda Package

clupda Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17192: Malicious code in clupda (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The clupda package is an npm library designed for specific functionalities within JavaScript applications. It is utilized for various tasks, but its integrity is compromised due to the presence of malicious code. This vulnerability poses a significant risk to applications relying on clupda, as it can lead to unauthorized access or data manipulation.

Vulnerability Detail

The clupda package has been identified to contain malicious code that can execute harmful actions within an application. This vulnerability originates from the package itself, which was found to be compromised. The ramifications include potential data breaches, unauthorized access to sensitive information, and the possibility of the application being used for nefarious purposes. Developers using this package are at risk of exposing their applications to various security threats.

How To Fix

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

npm uninstall clupda

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, consider removing the clupda package from your project until a secure version is available. You can do this by running the command: 'npm uninstall clupda'. Additionally, monitor your application for any suspicious activity during this period.

Conclusion

The clupda package has been compromised with malicious code, posing a significant risk to applications that utilize it. It is crucial for developers to update or remove the package to safeguard their applications. Utilizing tools like Vulert can aid in monitoring and identifying vulnerabilities effectively.

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FAQ

The clupda package is an npm library used for specific functionalities in JavaScript applications, but its exact purpose may vary based on implementation.

You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities. By analyzing your package-lock.json file, Vulert can identify if your application is affected.

Yes, Vulert provides real-time monitoring for open-source vulnerabilities without requiring code access or installation. You can check your application's status using the Vulert playground.

If an immediate update is not possible, consider removing the package from your project and monitoring for any unusual activity until a secure version is available.

Detailed information about the clupda vulnerability can be found on the GitHub repository and various security advisory platforms.

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How To Fix

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

npm uninstall clupda

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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