CVE-2024-27456: Rylabs Rack Cors Middleware

Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days.

rack-cors (aka Rack CORS Middleware) 2.0.1 has 0666 permissions for the .rb files.

Affected products

• Rylabs Rack Cors Middleware: version 2.0.1 only

Published 2024-02-26. Last modified 2026-06-17.