Critical Security Breach in @voiceflow/exception: Malicious Code Detected
Summary
MAL-2025-191347: Malicious code in @voiceflow/exception (npm). Affects @voiceflow/exception versions 1.10.1 – 1.10.2. No fix is published. How to fix ↓
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Background
The @voiceflow/exception package is a JavaScript library used in Node.js applications to handle exceptions and errors effectively. It provides developers with tools to manage error logging and reporting, enhancing application reliability. However, this package has been compromised, exposing users to severe security risks.
Vulnerability Detail
The vulnerability stems from a malicious code injection attributed to the Sha1-Hulud: The Second Coming NPM worm. This worm is designed to steal sensitive tokens and credentials from users, subsequently publishing them to GitHub. Additionally, it can propagate itself to other NPM packages owned by the user and establish persistence through GitHub actions. The malicious payload poses a significant risk, potentially leading to unauthorized access to user accounts and destruction of 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/exceptionIf 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 affected package from their project until a secure version is confirmed. You can uninstall the package using the command: npm uninstall @voiceflow/exception.
Conclusion
The @voiceflow/exception package has been compromised by a malicious worm that poses serious security threats to users. It is crucial to update the package to the latest version and monitor your applications for any signs of compromise. Utilizing tools like Vulert can help maintain the security of your software.
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FAQ
The malicious code is designed to steal sensitive information such as tokens and credentials, which can lead to unauthorized access to user accounts.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
If you suspect that you have been compromised, immediately change your credentials and tokens, and review your GitHub repositories for any unauthorized changes.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software using just your package-lock.json file.
Failing to address this vulnerability can lead to unauthorized access to sensitive data, potential data loss, and damage to your application's integrity.
