Malicious Code Detected in Cosmic Fonts Package: Immediate Action Required
Summary
MAL-2025-17605: Malicious code in cosmic-fonts (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 'cosmic-fonts' package is an npm library that provides a collection of unique fonts for web applications. It is designed to enhance the visual appeal of websites by offering a variety of font styles. However, this package has been identified to contain malicious code, posing significant risks to users who integrate it into their projects.
Vulnerability Detail
The vulnerability in the 'cosmic-fonts' package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code could potentially lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue was introduced in version 0 of the package and affects all subsequent versions.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cosmic-fontsIf 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 workaround, you can replace 'cosmic-fonts' with a different font package that is known to be secure. For example, you can use 'google-fonts' by installing it with the command: 'npm install @fontsource/roboto' and then updating your CSS to use the new font.
Conclusion
The discovery of malicious code in the 'cosmic-fonts' package highlights the importance of regularly auditing dependencies in software projects. Users are strongly advised to remove this package and consider safer alternatives to protect their applications from potential threats.
See every vulnerability recorded for cosmic-fonts →
FAQ
The 'cosmic-fonts' package is an npm library that provides a variety of fonts for web applications.
The specific nature of the malicious code has not been disclosed, but it poses significant security risks to applications using the package.
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 needing to sign up.
No, there is no patched version available for 'cosmic-fonts'. The recommended action is to uninstall the package.
You should immediately uninstall 'cosmic-fonts' and replace it with a secure alternative font package.
