diff --git a/packages/react-client/src/ReactFlightClient.js b/packages/react-client/src/ReactFlightClient.js
index 14936d48e2b..b23b172b02c 100644
--- a/packages/react-client/src/ReactFlightClient.js
+++ b/packages/react-client/src/ReactFlightClient.js
@@ -98,6 +98,8 @@ import {getOwnerStackByComponentInfoInDev} from 'shared/ReactComponentInfoStack'
 
 import hasOwnProperty from 'shared/hasOwnProperty';
 
+import getPrototypeOf from 'shared/getPrototypeOf';
+
 import {injectInternals} from './ReactFlightClientDevToolsHook';
 
 import {OMITTED_PROP_ERROR} from 'shared/ReactFlightPropertyAccess';
@@ -157,6 +159,9 @@ const HALTED = 'halted'; // DEV-only. Means it never resolves even if connection
 
 const __PROTO__ = '__proto__';
 
+const ObjectPrototype = Object.prototype;
+const ArrayPrototype = Array.prototype;
+
 type PendingChunk<T> = {
   status: 'pending',
   value: null | Array<InitializationReference | (T => mixed)>,
@@ -2170,7 +2175,18 @@ function getOutlinedModel<T>(
             }
           }
         }
-        value = value[path[i]];
+        const name = path[i];
+        if (
+          typeof value === 'object' &&
+          value !== null &&
+          (getPrototypeOf(value) === ObjectPrototype ||
+            getPrototypeOf(value) === ArrayPrototype) &&
+          hasOwnProperty.call(value, name)
+        ) {
+          value = value[name];
+        } else {
+          throw new Error('Invalid reference.');
+        }
       }
 
       while (
@@ -5382,14 +5398,16 @@ function reviveModel(
   }
   // Plain object
   for (const k in value) {
-    if (k === __PROTO__) {
-      delete (value as any)[k];
-    } else {
-      const walked = reviveModel(response, (value as any)[k], value, k);
-      if (walked !== undefined) {
-        (value as any)[k] = walked;
-      } else {
+    if (hasOwnProperty.call(value, k)) {
+      if (k === __PROTO__) {
         delete (value as any)[k];
+      } else {
+        const walked = reviveModel(response, (value as any)[k], value, k);
+        if (walked !== undefined) {
+          (value as any)[k] = walked;
+        } else {
+          delete (value as any)[k];
+        }
       }
     }
   }