Critical Security Breach in @vucod/email: Malicious Code Injection Detected
Summary
MAL-2025-191388: Malicious code in @vucod/email (npm). Affects @vucod/email versions 0.0.3. No fix is published. How to fix ↓
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Background
The @vucod/email package is an npm library designed for email handling and processing within JavaScript applications. It provides functionalities such as sending emails, managing templates, and integrating with various email services. However, this package has recently been compromised, exposing users to significant security risks due to malicious code embedded within it.
Vulnerability Detail
The vulnerability stems from a compromise by the Sha1-Hulud: The Second Coming NPM worm, which infiltrated the @vucod/email package. This malicious payload is designed to steal sensitive tokens and credentials from users and subsequently publish them to GitHub. Additionally, the worm can propagate itself to other npm packages owned by the user and establish persistence through a GitHub action. There is also a risk that the malicious code could destroy the user's home directory, leading to severe data loss.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @vucod/emailIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the @vucod/email package and consider alternative libraries for email handling until the issue is resolved. Additionally, ensure that your environment is secure by regularly monitoring for any unauthorized access or changes.
Conclusion
The @vucod/email package has been compromised by a malicious worm, posing serious security risks to users. It is essential to take immediate action by updating or removing the package and monitoring your environment for any unauthorized access. Utilizing tools like Vulert can help in identifying and mitigating such vulnerabilities in the future.
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FAQ
The malicious code is designed to steal sensitive information such as tokens and credentials and can also propagate to other npm packages.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.
If you have installed the @vucod/email package, it is recommended to update it to the latest version or remove it until a secure version is available.
Yes, the malicious code has the potential to destroy the user's home directory, leading to significant data loss.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to the latest secure versions.
