Malicious Code Detected in node-ts-cjs-auto: Security Risk Alert

node-ts-cjs-auto Updated 02 Oct 2025

Summary

12/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6107: Malicious code in node-ts-cjs-auto (npm). Affects node-ts-cjs-auto versions >= 55.3.1. No fix is published. How to fix ↓

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Background

The node-ts-cjs-auto package is an npm library designed to facilitate the automatic conversion of TypeScript files to CommonJS modules. This package is utilized by developers to streamline their workflow when working with TypeScript, providing a seamless integration into JavaScript projects. However, it has been identified that this package communicates with a domain associated with malicious activity, posing a significant security risk to users.

Vulnerability Detail

The vulnerability in the node-ts-cjs-auto package stems from its communication with a domain linked to malicious activities. This could potentially lead to data breaches, unauthorized access, or the execution of harmful code within applications that utilize this package. The issue was introduced in version 55.3.1, making it crucial for users to be aware of the risks associated with this specific version.

How To Fix

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

npm uninstall node-ts-cjs-auto

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 node-ts-cjs-auto package from their project until a secure version is available. This can be done using the command: npm uninstall node-ts-cjs-auto.

Conclusion

The node-ts-cjs-auto package has been identified as having a serious vulnerability due to its communication with a malicious domain. Users are advised to update to a patched version or remove the package to protect their applications. Awareness and prompt action are essential to maintaining security.

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FAQ

The vulnerability involves the package communicating with a domain associated with malicious activities, which can compromise application security.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By utilizing the Vulert playground, you can check your application without any signup.

If an immediate update is not possible, consider removing the package from your project as a temporary measure to mitigate risks.

It is essential to check the package repository for the latest version that addresses this vulnerability and update accordingly.

Failing to address this vulnerability could lead to data breaches, unauthorized access, and the execution of malicious code, putting your application and its users at risk.

How To Fix

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

npm uninstall node-ts-cjs-auto

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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