Critical Malicious Code Vulnerability in esbuild-plugin-httpfile
Summary
MAL-2025-190771: Malicious code in esbuild-plugin-httpfile (npm). Affects esbuild-plugin-httpfile versions 0.4.1. No fix is published. How to fix ↓
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Background
esbuild-plugin-httpfile is an npm package designed to facilitate HTTP file handling within the esbuild JavaScript bundler. It allows developers to manage file imports over HTTP, streamlining the build process for web applications. However, this package has been compromised, embedding malicious code that poses significant security risks to any system utilizing it.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the esbuild-plugin-httpfile package. This code can compromise any computer that has the package installed, potentially allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code means that systems running this package should be considered fully compromised, necessitating immediate action to secure the affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall esbuild-plugin-httpfileIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, if you need similar functionality, consider using alternative packages that do not have known vulnerabilities. Always verify the security of third-party packages before installation.
Conclusion
The esbuild-plugin-httpfile package contains malicious code that poses a severe security risk. Immediate uninstallation and rotation of sensitive information are essential to mitigate the impact of this vulnerability. Always prioritize security when managing dependencies in your projects.
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FAQ
Immediately uninstall the package and rotate any sensitive information that may have been compromised.
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No, there is currently no patched version available for esbuild-plugin-httpfile. The only solution is to uninstall the package.
Failing to address this vulnerability can lead to unauthorized access to sensitive data and complete system compromise.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert, and always review package security before installation.
