Critical Malicious Code Vulnerability in @voiceflow/runtime Package
Summary
MAL-2025-191368: Malicious code in @voiceflow/runtime (npm). Affects @voiceflow/runtime versions 1.29.1 – 1.29.2. No fix is published. How to fix ↓
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Background
The @voiceflow/runtime package is a JavaScript library used in voice application development, enabling developers to create and manage voice interactions seamlessly. It is widely utilized in various applications for its ease of integration and robust features. However, this package has been compromised, exposing users to significant security risks.
Vulnerability Detail
The vulnerability originates from a malicious code injection by the Sha1-Hulud: The Second Coming NPM worm. This worm is designed to steal tokens and credentials from users and publish them to GitHub. It can propagate itself to other NPM packages owned by the user and establish persistence through a GitHub action. Additionally, it poses a risk of destroying the user's home directory, leading to severe data loss and security breaches.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @voiceflow/runtimeIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users should consider removing the @voiceflow/runtime package from their projects until a secure version is confirmed. This can be done using the command: npm uninstall @voiceflow/runtime. Additionally, review and revoke any compromised tokens or credentials immediately.
Conclusion
The @voiceflow/runtime package has been compromised by a malicious worm that poses significant security risks to users. It is essential to update the package to the latest version and monitor for any signs of compromise. Utilizing tools like Vulert can help in identifying vulnerabilities in your applications.
See every vulnerability recorded for @voiceflow/runtime →
FAQ
The vulnerability involves malicious code that steals sensitive information and can propagate to other packages.
You can check your application's dependencies using the Vulert playground at Vulert Scanner, which monitors for vulnerabilities in real-time.
If compromised, immediately revoke any tokens or credentials and update the affected package to the latest version.
Yes, updating to the latest version of the @voiceflow/runtime package will address the vulnerability.
Yes, the worm can propagate to other NPM packages owned by the user, increasing the risk of widespread compromise.
