Malicious Code Detected in cloudflare_ruby Package - Security Alert

cloudflare_ruby Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17180: Malicious code in cloudflare_ruby (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cloudflare_ruby package is a Node.js library designed to facilitate interactions with Cloudflare's services, providing developers with tools to manage DNS, caching, and security features. However, this package has been identified as containing malicious code, posing significant risks to users who integrate it into their applications.

Vulnerability Detail

The vulnerability stems from the inclusion of malicious code within the cloudflare_ruby package. This code can potentially compromise user data, allow unauthorized access, or facilitate other malicious activities. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to take immediate action to mitigate risks.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall cloudflare_ruby

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, users can remove the cloudflare_ruby package from their project until a secure version is released. This can be done using the command: npm uninstall cloudflare_ruby.

Conclusion

The discovery of malicious code in the cloudflare_ruby package highlights the importance of vigilance in managing open-source dependencies. Users are urged to take immediate action by updating or removing the affected package to safeguard their applications.

See every vulnerability recorded for cloudflare_ruby →

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FAQ

The malicious code can compromise user data and allow unauthorized access to systems.

You can use Vulert to monitor and alert for open-source vulnerabilities. Visit Vulert Scanner to check your application without signing up.

Consider removing the cloudflare_ruby package from your project until a secure version is available.

As of now, a patch has not been released. Keep an eye on the package repository for updates.

Regularly monitor your dependencies using tools like Vulert and keep your packages updated to the latest secure versions.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall cloudflare_ruby

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 →

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