Malicious Code Detected in aws-ui-runtime Package

aws-ui-runtime Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15231: Malicious code in aws-ui-runtime (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The aws-ui-runtime package is a component used in web applications to facilitate user interface rendering and interaction. It is designed to provide developers with a streamlined way to implement UI elements in their applications. However, this package has been found to contain malicious code, posing significant risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the aws-ui-runtime package stems from the inclusion of malicious code that can compromise the security of applications using this package. This code may allow unauthorized access to sensitive data, execute arbitrary commands, or facilitate other malicious activities. The issue originated from version 0 and affects all subsequent versions, making it critical for developers to address this vulnerability promptly.

How To Fix

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

npm uninstall aws-ui-runtime

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 aws-ui-runtime package from your project until a secure version is released. You can do this by executing the command: 'npm uninstall aws-ui-runtime'. This will prevent any potential exploitation of the malicious code.

Conclusion

The aws-ui-runtime package has been identified to contain malicious code, posing serious security threats to applications that utilize it. Developers are urged to update or remove the package to mitigate risks. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.

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FAQ

The aws-ui-runtime package is a library used in web development for rendering user interfaces efficiently.

The malicious code was introduced in version 0 of the aws-ui-runtime package and has persisted in subsequent versions.

The risks include unauthorized access to sensitive data, execution of arbitrary commands, and potential data breaches.

You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just the package-lock.json file.

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

How To Fix

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

npm uninstall aws-ui-runtime

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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