Malicious Code Detected in dimchat Package - Security Alert

dimchat Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-18454: Malicious code in dimchat (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The dimchat package is a JavaScript library designed for real-time communication, enabling users to create chat applications with ease. It offers features such as messaging, file sharing, and user management. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the dimchat package originates from the inclusion of malicious code that can compromise user data and application integrity. This code can potentially allow unauthorized access, data theft, or even control over the affected systems. The issue affects all versions starting from the initial release, 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 dimchat

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, consider removing the dimchat package from your project until a secure version is released. You can do this by running: npm uninstall dimchat. Additionally, monitor your application for any unusual activity that may indicate exploitation of this vulnerability.

Conclusion

The discovery of malicious code in the dimchat package highlights the importance of regularly monitoring and updating open-source dependencies. Users are urged to take immediate action to protect their applications from potential threats.

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FAQ

dimchat is a JavaScript library for creating real-time chat applications, offering features like messaging and file sharing.

The malicious code can lead to unauthorized access and data theft, posing serious security risks to applications using the package.

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

Currently, there is no patched version available. Users should monitor the package repository for updates and security advisories.

If an immediate update is not possible, consider removing the dimchat package and monitoring your application for any suspicious activity.

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How To Fix

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

npm uninstall dimchat

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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