Rack Rack-session vulnerabilities

• rack rack-session Rack::Session::Cookie secrets: decrypt failure fallback enables secretless session forgery and Marshal deserialization CVE-2026-39324 Public exploitFix available 9.3 CriticalApril 7, 2026
• rack rack-session Rack session gets restored after deletion CVE-2025-46336 Fix available 4.2 MediumMay 8, 2025