Critical Malicious Code Vulnerability in cydia Package (npm)

cydia Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17884: Malicious code in cydia (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cydia package is a Node.js library commonly used in various applications for managing and manipulating data. It offers functionalities that enhance user experience and streamline operations. However, it has been identified to contain malicious code, posing significant risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the cydia package stems from the inclusion of malicious code that can compromise the security of applications using this package. This code can lead to unauthorized access, data breaches, and potential exploitation of the system. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to address this vulnerability promptly.

How To Fix

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

npm uninstall cydia

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

Conclusion

The cydia package has been identified to contain malicious code, posing significant risks to applications. Users are urged to update the package as soon as a patched version is available or to consider alternative solutions to mitigate potential threats.

See every vulnerability recorded for cydia →

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FAQ

Cydia is a Node.js package used for managing and manipulating data in applications, enhancing user experience.

The malicious code can compromise application security, leading to unauthorized access and potential data breaches.

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.

As of now, a patched version has not been released. Users should monitor the package repository for updates.

Consider uninstalling the cydia package and using alternative packages until a secure version is available.

How To Fix

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

npm uninstall cydia

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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