Critical Malicious Code Vulnerability in @voiceflow/google-types Package

@voiceflow/google-types Updated 25 Nov 2025

Summary

25/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191352: Malicious code in @voiceflow/google-types (npm). Affects @voiceflow/google-types versions 2.21.12 – 2.21.13. No fix is published. How to fix ↓

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Background

The @voiceflow/google-types package is a library used in Node.js applications to facilitate interactions with Google services. It provides developers with types and interfaces that streamline the integration process. However, this package has been compromised, making it susceptible to a severe security threat that can affect users' credentials and data integrity.

Vulnerability Detail

The vulnerability stems from a malicious payload introduced 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. Additionally, it can propagate itself to other NPM packages owned by the user and establish persistence through GitHub actions. The malicious code poses a significant risk as it may also lead to the destruction of the user's home directory, resulting in data loss and compromised security.

How To Fix

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

npm uninstall @voiceflow/google-types

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 workaround, consider removing the @voiceflow/google-types package from your project until a secure version is confirmed. You can do this by executing the command: 'npm uninstall @voiceflow/google-types'. Additionally, monitor your project for any unauthorized changes or suspicious activity.

Conclusion

The @voiceflow/google-types package has been compromised by a malicious worm that poses significant security risks. It is crucial for developers using this package to update to the latest version and monitor their applications for any signs of compromise. Utilizing tools like Vulert can help in maintaining the security of your software.

See every vulnerability recorded for @voiceflow/google-types →

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FAQ

The malicious code is designed to steal user tokens and credentials, potentially leading to unauthorized access to sensitive information.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.

If you suspect that your application has been compromised, immediately revoke any exposed tokens and credentials, and update the affected package to the latest version.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to the latest versions.

Failure to address this vulnerability may result in unauthorized access to your application, data loss, and potential damage to your reputation.

How To Fix

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

npm uninstall @voiceflow/google-types

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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