Critical Malicious Code Vulnerability in lychee-norm-cache Package
Summary
MAL-2026-11029: Malicious code in lychee-norm-cache (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The lychee-norm-cache package is an npm library designed for caching purposes in JavaScript applications. It is utilized to enhance performance by storing frequently accessed data. However, this package has been compromised, leading to severe security implications for any system that has it installed.
Vulnerability Detail
The vulnerability originates from the presence of embedded malicious code within the lychee-norm-cache package. This malicious code can fully compromise any computer running the package, allowing unauthorized access to sensitive information, including secrets and keys. The ramifications are significant, as the installation of this package may grant external entities complete control over the affected system, posing a severe risk to data integrity and confidentiality.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lychee-norm-cacheIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, it is recommended to rotate all secrets and keys stored on the affected computer from a different, secure machine. This step is essential to mitigate the risks associated with the potential compromise of sensitive information.
Conclusion
The lychee-norm-cache package has been identified as containing malicious code that poses a significant risk to any system using it. Immediate action is required to remove the package and secure any sensitive information. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.
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FAQ
The lychee-norm-cache package is an npm library used for caching data in JavaScript applications, aimed at improving performance.
The malicious code can fully compromise your system, allowing unauthorized access to sensitive information and potentially granting control to external entities.
You should immediately remove the lychee-norm-cache package and rotate any secrets or keys stored on the affected machine.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert, and ensure to keep your packages updated to their latest, secure versions.
