Critical Malicious Code Vulnerability in @browserbasehq/stagehand-docs Package
Summary
MAL-2025-191199: Malicious code in @browserbasehq/stagehand-docs (npm). Affects @browserbasehq/stagehand-docs versions 1.0.1. No fix is published. How to fix ↓
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Background
The @browserbasehq/stagehand-docs package is an npm library designed for documentation and stage management in web applications. It provides developers with tools to create and manage documentation effectively. However, this package has been compromised, making it a significant security risk for any system that has it installed.
Vulnerability Detail
The vulnerability stems from a malicious code injection by the Sha1-Hulud: The Second Coming NPM worm. This worm is capable of stealing tokens and credentials, publishing them to GitHub, and propagating itself to other npm packages owned by the user. Additionally, it may establish persistence through GitHub actions and has the potential to destroy the user's home directory. Any system with this package installed is considered fully compromised, necessitating immediate action.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @browserbasehq/stagehand-docsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds for this vulnerability other than removing the package entirely. Ensure that your system is monitored for any residual malicious software that may remain after the package is uninstalled.
Conclusion
The @browserbasehq/stagehand-docs package has been compromised by a malicious worm, posing a severe risk to any systems using it. Immediate removal of the package and rotation of any stored credentials are essential to mitigate the threat. Continuous monitoring for vulnerabilities is recommended.
See every vulnerability recorded for @browserbasehq/stagehand-docs →
FAQ
Immediately uninstall the package using npm uninstall @browserbasehq/stagehand-docs and rotate any secrets or keys stored on the affected system.
The malicious code can steal sensitive tokens and credentials, propagate to other npm packages, and potentially destroy your home directory.
No, there is currently no patched version available for the @browserbasehq/stagehand-docs package. The only solution is to uninstall it.
Yes, you can use Vulert to monitor and alert for open-source vulnerabilities in your software. You can check your application using the Vulert playground without any signup at Vulert Scanner.
If not addressed, this vulnerability could lead to unauthorized access to your systems, loss of sensitive data, and potential damage to your development environment.
