Critical Malicious Code Vulnerability in emclaw Package
Summary
MAL-2025-19593: Malicious code in emclaw (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The emclaw package is an npm library designed for specific functionalities within JavaScript applications. It is utilized for various tasks in web development, but its recent discovery of malicious code has raised significant concerns. This vulnerability exposes users to potential security risks, including unauthorized access and data breaches.
Vulnerability Detail
The emclaw package was found to contain malicious code, which was introduced in version 0 and affects all subsequent versions. This vulnerability could lead to severe consequences, such as data theft, unauthorized system access, and exploitation of the affected systems. The malicious code can execute harmful actions without the user's consent, making it critical for users to address this issue promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall emclaw
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 measure, consider removing the emclaw package from your project until a secure version is released. You can do this by executing the command: 'npm uninstall emclaw'. This will help prevent any potential exploitation while waiting for a fix.
Conclusion
The emclaw package has been identified as containing malicious code, posing significant security risks to users. It is crucial to update the package as soon as a patched version is available and to consider removing it temporarily to safeguard your applications. Utilizing tools like Vulert can help monitor for vulnerabilities effectively.
See every vulnerability recorded for emclaw →
FAQ
The emclaw package is an npm library used in JavaScript applications for various web development tasks.
The malicious code in the emclaw package was identified by security researchers from Amazon Inspector.
The risks include unauthorized access to systems, data breaches, and potential exploitation of the affected applications.
As of now, a patched version is not available. Users should monitor the package for updates and apply them as soon as they are released.
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.