Critical Malicious Code Vulnerability in walmart-ui Package

walmart-ui Updated 02 Oct 2025

Summary

31/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6668: Malicious code in walmart-ui (npm). Affects walmart-ui versions 1.0.1. No fix is published. How to fix ↓

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Background

The walmart-ui package is a JavaScript library designed for building user interfaces with a focus on Walmart's design principles. It provides various UI components that developers can use to create visually appealing and functional web applications. However, a recent vulnerability has been identified, exposing users to potential security risks.

Vulnerability Detail

The vulnerability in the walmart-ui package stems from the inclusion of malicious code in version 1.0.1. This code can compromise the security of applications utilizing this package, potentially leading to unauthorized access, data breaches, or other malicious activities. The issue was discovered by ReversingLabs and is documented under the identifier MAL-2025-6668.

How To Fix

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

npm uninstall walmart-ui

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 walmart-ui package from your project until a secure version is released. You can uninstall it using the command: npm uninstall walmart-ui.

Conclusion

The walmart-ui package has been identified as having a critical vulnerability due to malicious code in version 1.0.1. Users are strongly encouraged to update to a patched version or consider uninstalling the package until a fix is available. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.

See every vulnerability recorded for walmart-ui →

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FAQ

The vulnerability involves malicious code that can lead to security breaches in applications using the package.

You can use Vulert, which monitors open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.

Yes, users are advised to update to the latest version of the walmart-ui package to mitigate the risk.

As a temporary measure, consider uninstalling the walmart-ui package until a secure version is available.

The vulnerability was discovered by ReversingLabs, a cybersecurity firm specializing in threat detection.

How To Fix

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

npm uninstall walmart-ui

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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