Malicious Code Detected in bud-browserify: A Critical Security Alert

bud-browserify Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-16253: Malicious code in bud-browserify (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The bud-browserify package is a tool designed for bundling JavaScript applications, leveraging the capabilities of Browserify to allow developers to use Node.js-style modules in the browser. It is widely used in web development for its ability to manage dependencies and optimize code for production. However, recent findings have uncovered that this package contains malicious code, posing significant risks to users and their applications.

Vulnerability Detail

The vulnerability in the bud-browserify package stems from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code can lead to unauthorized access, data breaches, or other harmful actions that may affect the integrity and confidentiality of user data. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to take immediate action.

How To Fix

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

npm uninstall bud-browserify

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 measure, users can remove the bud-browserify package from their project until a secure version is released. This can be done by executing the command: npm uninstall bud-browserify. Consider using alternative bundling tools that do not have known vulnerabilities.

Conclusion

The discovery of malicious code in the bud-browserify package highlights the importance of vigilance in managing open-source dependencies. Users are urged to take immediate action by updating or removing the package to safeguard their applications. Utilizing tools like Vulert can further enhance security by providing real-time monitoring for vulnerabilities.

See every vulnerability recorded for bud-browserify →

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FAQ

bud-browserify is a JavaScript bundler that allows developers to use Node.js-style modules in the browser, simplifying the management of dependencies.

The malicious code found in bud-browserify can lead to unauthorized access and potential data breaches, posing serious security risks.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

As of now, there is no patched version available. Users should monitor the package repository for updates and apply them as soon as they are released.

If removal is not an option, consider isolating the affected code and implementing additional security measures to mitigate potential risks until a patch is available.

How To Fix

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

npm uninstall bud-browserify

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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