Critical Malicious Code Vulnerability in @voiceflow/utils-designer Package
Summary
MAL-2025-191381: Malicious code in @voiceflow/utils-designer (npm). Affects @voiceflow/utils-designer versions 1.74.19 – 1.74.20. No fix is published. How to fix ↓
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Background
The @voiceflow/utils-designer package is a utility library designed for use in voice application development, providing essential tools and functionalities for developers. However, it has recently been compromised, exposing users to significant security risks due to malicious code embedded within the package.
Vulnerability Detail
The vulnerability originates from the Sha1-Hulud: The Second Coming NPM worm, which has compromised the @voiceflow/utils-designer package. This malicious payload is capable of stealing tokens and credentials, publishing them to GitHub, and propagating itself to other NPM packages owned by the user. Additionally, it can establish persistence through a GitHub action and may even destroy 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/utils-designerIf 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 can remove the compromised package from their project by executing: npm uninstall @voiceflow/utils-designer. However, this may limit functionality until a safe version is available.
Conclusion
The @voiceflow/utils-designer package has been compromised by a malicious NPM worm, posing serious security risks to users. It is crucial to update the package to the latest version and monitor for vulnerabilities to protect your applications and data.
See every vulnerability recorded for @voiceflow/utils-designer →
FAQ
The malicious code is designed to steal sensitive tokens and credentials, potentially leading to unauthorized access to user accounts and data.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without requiring any signup.
If you suspect that you have been compromised, immediately revoke any exposed tokens or credentials and update your packages to secure versions.
Regularly monitor your dependencies using tools like Vulert and keep your packages updated to the latest secure versions to minimize risks.
Failure to address this vulnerability can lead to unauthorized access to sensitive data, loss of control over your projects, and potential destruction of your home directory.
