CVE-2026-66066

CVE-2026-66066 — KindaRails2Shell Rails Active Storage/libvips Arbitrary File Read → SECRETKEYBASE Theft → RCE Overview CVE-2026-66066 is a critical-severity CVSS 9.5 pre-authentication arbitrary file read to remote code execution chain in Ruby on Rails Active Storage, affecting Rails 7.2.0–7.2.3...