Malicious Code Injection in quantum-computing-frontend-halley-xml Package

Summary

13/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-188996: Malicious code in quantum-computing-frontend-halley-xml (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The quantum-computing-frontend-halley-xml package is an npm module designed for quantum computing applications. It is part of a broader ecosystem that facilitates the development and deployment of quantum algorithms. However, this package has been compromised as part of a malicious campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages.

Vulnerability Detail

The vulnerability in the quantum-computing-frontend-halley-xml package stems from its association with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This not only pollutes the npm registry but also poses a risk to developers who may unknowingly install these compromised packages, leading to potential security breaches in their applications.

How To Fix

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

npm uninstall quantum-computing-frontend-halley-xml

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, avoid using the quantum-computing-frontend-halley-xml package until a secure version is released. You can also monitor your project's dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time without requiring code access or installation. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner.

Conclusion

The quantum-computing-frontend-halley-xml package has been identified as containing malicious code that can compromise applications using it. It is crucial to uninstall this package and monitor for updates. Utilizing tools like Vulert can help you stay informed about vulnerabilities in your dependencies.

See every vulnerability recorded for quantum-computing-frontend-halley-xml →

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FAQ

It is an npm module designed for quantum computing applications, but it has been compromised by malicious actors.

If you have this package installed, your application may be at risk of security breaches due to the malicious code injected into the package.

You should uninstall the package immediately and monitor for any updates or patches that may be released.

Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.

Vulert is a monitoring tool that uses package-lock.json to alert you in real-time about open-source vulnerabilities in your software, helping you maintain security.

How To Fix

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

npm uninstall quantum-computing-frontend-halley-xml

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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