ACP2E-3447: Using the wrong Store ID in GraphQL header causes fatal memory error

Author: bubasuma

app/code/Magento/Store/App/Request/StorePathInfoValidator.php

@@ -12,6 +12,7 @@
 use Magento\Framework\App\Request\Http;
 use Magento\Framework\App\Request\PathInfo;
 use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\ObjectManager\ResetAfterRequestInterface;
 use Magento\Store\Api\StoreRepositoryInterface;
 use Magento\Store\Model\Store;
 use Magento\Store\Model\StoreIsInactiveException;
@@ -20,7 +21,7 @@
 /**
  * Gets the store from the path if valid
  */
-class StorePathInfoValidator
+class StorePathInfoValidator implements ResetAfterRequestInterface
 {
     /**
      * Store Config
@@ -119,4 +120,12 @@ private function getStoreCode(string $pathInfo) : string
         $pathParts = explode('/', ltrim($pathInfo, '/'), 2);
         return current($pathParts);
     }
+
+    /**
+     * @inheritDoc
+     */
+    public function _resetState(): void
+    {
+        $this->validatedStoreCodes = [];
+    }
 }