diff --git a/x-pack/platform/plugins/shared/inference/server/routes/chat_complete.ts b/x-pack/platform/plugins/shared/inference/server/routes/chat_complete.ts
index e4292c0af89da..3482784f4101a 100644
--- a/x-pack/platform/plugins/shared/inference/server/routes/chat_complete.ts
+++ b/x-pack/platform/plugins/shared/inference/server/routes/chat_complete.ts
@@ -166,6 +166,12 @@ export function registerChatCompleteRoute({
   router.post(
     {
       path: '/internal/inference/chat_complete/stream',
+      security: {
+        authz: {
+          enabled: false,
+          reason: 'This route delegates authorization to the inference client',
+        },
+      },
       validate: {
         body: chatCompleteBodySchema,
       },