Malicious Code Detected in antares-non-blocking-inflation-html-webpack-plugin: A Critical Security Concern
Summary
MAL-2025-14583: Malicious code in antares-non-blocking-inflation-html-webpack-plugin (npm). Affected versions are not published. 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 package 'antares-non-blocking-inflation-html-webpack-plugin' is an npm package designed to facilitate non-blocking inflation of HTML files during the Webpack build process. It is intended to optimize the performance of web applications by managing the inflation of HTML content efficiently. However, this package has been found to contain malicious code, posing significant risks to applications that utilize it.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code within the 'antares-non-blocking-inflation-html-webpack-plugin' package. This code can potentially compromise the security of applications by allowing unauthorized access, data breaches, or other malicious activities. The issue was introduced in version 0 and affects all subsequent versions, making it imperative for users to take immediate action to mitigate risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall antares-non-blocking-inflation-html-webpack-pluginIf 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 using alternative packages that provide similar functionality without the associated risks. Always ensure to review the package's reputation and security history before integrating it into your project.
Conclusion
The discovery of malicious code in the 'antares-non-blocking-inflation-html-webpack-plugin' package highlights the importance of vigilance in managing open-source dependencies. Users must take immediate action to protect their applications by uninstalling the affected package and exploring safer alternatives.
See every vulnerability recorded for antares-non-blocking-inflation-html-webpack-plugin →
FAQ
The malicious code can lead to unauthorized access and potential data breaches, compromising the security of applications that use this package.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in your software. By analyzing your package-lock.json file, Vulert can help you identify if your application is impacted.
Immediately uninstall the package using 'npm uninstall antares-non-blocking-inflation-html-webpack-plugin' and consider using alternative packages until a safe version is released.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Currently, there is no patched version available. Users are advised to uninstall the package until further notice.
