CVE-2026-66066: Rails Active Storage RCE Exploit Code Now Public Vulnerability Report CVE-2026-66066: Rails Active Storage RCE Exploit Code Now Public Do Son August 1, 2026 0 TL;DR: A critical Rails Active Storage RCE flaw, CVE-2026-66066 (CVSS 9.5), lets an unauthenticated attacker read server... Read More Read more about CVE-2026-66066: Rails Active Storage RCE Exploit Code Now Public