Malicious Code Detected in ardosubs Package - Security Alert

ardosubs Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-14809: Malicious code in ardosubs (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The ardosubs package is a tool designed for managing subtitles in various media formats, offering functionalities such as subtitle downloading and synchronization. It is widely used in the npm ecosystem for its ease of use and integration capabilities. However, recent findings have revealed that this package contains malicious code, posing significant security risks to users and their applications.

Vulnerability Detail

The vulnerability in the ardosubs package originates from the inclusion of malicious code that can compromise user data and system integrity. This code can execute unauthorized actions, potentially leading to data theft, system breaches, or further exploitation of the affected systems. The malicious nature of this code was confirmed through security audits and community reports, emphasizing the need for immediate action.

How To Fix

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

npm uninstall ardosubs

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, users can remove the ardosubs package from their project until a secure version is released. This can be done using the command: npm uninstall ardosubs. Additionally, consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The discovery of malicious code in the ardosubs package highlights the importance of vigilance in software dependencies. Users are urged to update or remove the package to safeguard their applications. Utilizing tools like Vulert can enhance security by providing real-time vulnerability alerts.

See every vulnerability recorded for ardosubs →

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FAQ

Ardosubs is an npm package used for managing subtitles in media files, offering features like downloading and synchronizing subtitles.

The malicious code can execute unauthorized actions, potentially leading to data theft and system breaches.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.

If an immediate update is not possible, consider uninstalling the package and using alternative solutions until a secure version is available.

Vulert monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file, providing real-time insights.

How To Fix

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

npm uninstall ardosubs

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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