Critical Malicious Code Vulnerability in express-lists-routes Package
Summary
MAL-2026-551: Malicious code in express-lists-routes (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 express-lists-routes package is an npm module designed to facilitate the management of routes in Express applications. It provides developers with a streamlined way to define and handle routes, enhancing the efficiency of web application development. However, this package has been identified as containing malicious code, posing significant security risks to any system where it is installed.
Vulnerability Detail
The vulnerability stems from embedded malicious code within the express-lists-routes package. This code can compromise any computer that has the package installed, potentially allowing unauthorized access to sensitive information such as secrets and keys. The origin of this vulnerability is linked to a malicious actor who has inserted harmful code into the package, making it a severe threat to users. The ramifications include full control of the affected system being handed over to an outside entity, which could lead to data breaches and further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall express-lists-routes
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
Currently, there are no effective workarounds to mitigate the risks posed by this vulnerability other than removing the package entirely.
Conclusion
The express-lists-routes package contains a critical vulnerability due to embedded malicious code, posing severe risks to any system where it is installed. Immediate action is required to uninstall the package and secure sensitive information. Utilizing tools like Vulert can help in monitoring and preventing future vulnerabilities.
See every vulnerability recorded for express-lists-routes →
FAQ
You should uninstall the express-lists-routes package immediately and rotate any sensitive information stored on your system.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.
No, there is currently no patched version of the express-lists-routes package available.
Failing to address this vulnerability could lead to unauthorized access to your system, data breaches, and potential exploitation by malicious actors.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert, and ensure to keep your packages updated.