Updated the code to be compatible with Rack3

core/main/handlers/hookedbrowsers.rb

@@ -71,7 +71,12 @@ module BeEF
 
           # @note get zombie if already hooked the framework
           hook_session_name = config.get('beef.http.hook_session_name')
-          hook_session_id = request[hook_session_name]
+          hook_session_id =
+            if request.respond_to?(:[])
+              request[hook_session_name]
+            else
+              request.params[hook_session_name] || request.env[hook_session_name]
+            end
           begin
             raise ActiveRecord::RecordNotFound if hook_session_id.nil?
 

core/main/network_stack/handlers/dynamicreconstruction.rb

@@ -70,7 +70,11 @@ module BeEF
                 res = JSON.parse(b64).first
                 res['beefhook'] = packet[:beefhook]
                 res['request'] = request
-                res['beefsession'] = request[BeEF::Core::Configuration.instance.get('beef.http.hook_session_name')]
+                session_key = BeEF::Core::Configuration.instance.get('beef.http.hook_session_name')
+                res['beefsession'] = request.cookies[session_key] ||
+                                    request.params[session_key] ||
+                                    request.env[session_key]
+
                 execute(res)
               rescue JSON::ParserError => e
                 print_debug 'Network stack could not decode packet stream.'