Malicious Code Detected in @qualys/react-web Package - Version 5.4.3-2
Summary
MAL-2026-914: Malicious code in @qualys/react-web (npm). Affects @qualys/react-web versions 5.4.3-2. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The @qualys/react-web package is a JavaScript library used in React applications, providing various functionalities for web development. It is part of the npm ecosystem, which is widely used for package management in JavaScript projects. However, version 5.4.3-2 has been flagged for containing malicious code that compromises the security of applications using it.
Vulnerability Detail
The vulnerability in the @qualys/react-web package arises from its ability to communicate with a domain linked to malicious activities and execute commands that are harmful. This behavior can lead to unauthorized access, data breaches, and potential exploitation of the systems that utilize this package. The origin of this vulnerability is traced back to the package's version 5.4.3-2, identified by the OpenSSF Package Analysis project.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @qualys/react-webIf 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, you can remove the @qualys/react-web package from your project until a secure version is released. This can be done by executing the following command: npm uninstall @qualys/react-web. Alternatively, consider using a different package that provides similar functionality without the associated risks.
Conclusion
The @qualys/react-web package version 5.4.3-2 has been identified as malicious, posing significant security risks to applications that utilize it. It is crucial to update to a secure version or remove the package to mitigate these risks. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
See every vulnerability recorded for @qualys/react-web →
FAQ
The package communicates with a domain associated with malicious activity and executes harmful commands.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without requiring access to the code or installation.
Consider removing the package from your project or using an alternative package until a secure version is available.
The vulnerability was identified by the OpenSSF Package Analysis project, which analyzes packages for potential security risks.
Using the affected package can lead to unauthorized access, data breaches, and exploitation of your application.
Follow Vulert in Google
Get more Vulert vulnerability and dependency-security updates in Google Search and AI results.