Critical Security Breach in @voiceflow/natural-language-commander: Malicious Code Detected
Summary
MAL-2025-191356: Malicious code in @voiceflow/natural-language-commander (npm). Affects @voiceflow/natural-language-commander versions 0.5.2 – 0.5.3. No fix is published. How to fix ↓
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Background
The @voiceflow/natural-language-commander package is a tool designed for natural language processing within voice applications. It allows developers to create conversational interfaces with ease. However, this package has been compromised, exposing users to significant security risks, including the theft of sensitive tokens and credentials.
Vulnerability Detail
The vulnerability stems from a malicious payload introduced by the Sha1-Hulud: The Second Coming NPM worm. This worm not only steals tokens and credentials but also publishes them to GitHub, potentially leading to unauthorized access to user accounts. Furthermore, it can propagate itself to other NPM packages owned by the user and establish persistence through GitHub actions. The worm may also have destructive capabilities, including the potential to erase the user's home directory.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @voiceflow/natural-language-commanderIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, users can remove the compromised package from their project until a secure version is available. Use the following command to uninstall the package: npm uninstall @voiceflow/natural-language-commander.
Conclusion
The @voiceflow/natural-language-commander package has been compromised by a malicious NPM worm, posing serious security risks to users. Immediate action is required to update or remove the affected package to safeguard sensitive information. Utilizing tools like Vulert can help in monitoring and preventing future vulnerabilities.
See every vulnerability recorded for @voiceflow/natural-language-commander →
FAQ
The malicious code is part of an NPM worm that steals sensitive information and can propagate to other packages.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Immediately uninstall the compromised version and update to a secure version if available.
Yes, the worm can propagate to other NPM packages you own, potentially compromising your entire project.
Regularly monitor your dependencies using tools like Vulert and keep your packages updated to mitigate risks.
