Critical Malicious Code Vulnerability in aws-crt-nodejs Package

aws-crt-nodejs Updated 23 Jan 2026

Summary

21/01/2026
CRITICAL
No i
Critical
Not published

MAL-2026-406: Malicious code in aws-crt-nodejs (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The aws-crt-nodejs package is a Node.js library that provides a set of APIs for AWS Common Runtime (CRT) functionalities. It is commonly used in applications that require AWS services integration. However, this package has been found to contain malicious code, posing significant security risks to systems that utilize it.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within the aws-crt-nodejs package. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code has been confirmed by sources including Amazon Inspector and GHSA, indicating that systems running this package should be considered fully compromised.

How To Fix

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

npm uninstall aws-crt-nodejs

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 workaround, it is recommended to uninstall the aws-crt-nodejs package using the following command: npm uninstall aws-crt-nodejs. However, be aware that simply removing the package may not eliminate all malicious software that could have been installed as a result.

Conclusion

The aws-crt-nodejs package contains a critical vulnerability due to embedded malicious code. Immediate action is required to remove the package and secure any sensitive information. Regular monitoring and vulnerability scanning, such as using Vulert, can help maintain the security of your applications.

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FAQ

aws-crt-nodejs is a Node.js library that provides APIs for AWS Common Runtime functionalities, allowing developers to integrate AWS services into their applications.

The malicious code was identified by security tools such as Amazon Inspector and reported by the GHSA, which monitors open-source vulnerabilities.

If you have the aws-crt-nodejs package installed, you should immediately uninstall it and rotate any sensitive information stored on the affected system.

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

Failing to address this vulnerability can lead to unauthorized access to sensitive data, potential data breaches, and complete compromise of the affected system.

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How To Fix

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

npm uninstall aws-crt-nodejs

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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