Malicious Code Detected in following_hoverfly-biggestdev Package - npm Vulnerability
Summary
MAL-2025-102847: Malicious code in following_hoverfly-biggestdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The following_hoverfly-biggestdev package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is suspected to be involved in a token reward campaign that has led to the proliferation of malicious packages on npm. Its primary functionality is to provide developers with tools or libraries, but it has been compromised to serve malicious purposes.
Vulnerability Detail
The vulnerability originates from the package being part of a campaign that floods npm with malicious packages. These packages contain scripts designed to automatically publish derivative packages with randomized names, which can inflate developer reputation scores for token rewards. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, leading to pollution of the npm registry. This can result in security risks for developers who unknowingly use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall following_hoverfly-biggestdevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, avoid using the following_hoverfly-biggestdev package and look for alternative packages that provide similar functionality without the associated risks. You can also use tools like Vulert to monitor your dependencies for vulnerabilities.
Conclusion
The following_hoverfly-biggestdev package has been identified as containing malicious code that can compromise the integrity of applications using it. Developers are advised to uninstall this package and monitor their dependencies for vulnerabilities using tools like Vulert.
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FAQ
It is an npm package that has been compromised to include malicious code aimed at inflating developer reputation scores through automated publishing.
You can use Vulert's playground at Vulert Scanner to check if your application is affected without requiring any signup.
You should uninstall the package immediately using 'npm uninstall following_hoverfly-biggestdev' and look for alternatives.
Using this package can lead to security vulnerabilities, including the risk of your application being compromised or polluted with malicious code.
Vulert uses your package-lock.json file to monitor and alert you in real-time for open-source vulnerabilities in your software.
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Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
