Critical Malicious Code Vulnerability in custom-redis Package
Summary
MAL-2025-17836: Malicious code in custom-redis (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The custom-redis package is a Node.js library designed to provide a simplified interface for interacting with Redis databases. It is commonly used in applications that require fast data storage and retrieval. However, the package has been found to contain malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the custom-redis package. This code can potentially allow unauthorized access to sensitive data, compromise application integrity, and lead to further exploitation of the system. The malicious nature of the code means that any application relying on this package could be at risk of data breaches and other security incidents.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall custom-redisIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the custom-redis package from your project and replacing it with an alternative Redis client that does not have known vulnerabilities. This can be done by uninstalling the package with the command: npm uninstall custom-redis.
Conclusion
The discovery of malicious code in the custom-redis package highlights the importance of maintaining vigilance in open-source software usage. Users are strongly encouraged to update their dependencies regularly and monitor for vulnerabilities to protect their applications.
See every vulnerability recorded for custom-redis →
FAQ
custom-redis is a Node.js library that provides an interface for interacting with Redis databases, allowing for efficient data storage and retrieval.
The malicious code was identified by security researchers from Amazon Inspector, who reported the findings to the open-source community.
Using the compromised custom-redis package can lead to unauthorized access to sensitive data, application integrity issues, and potential exploitation of the system.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just the package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
If immediate updates are not possible, consider removing the custom-redis package and replacing it with a secure alternative until you can safely update.
