--- a/wp/wp-includes/rest-api/endpoints/class-wp-rest-menus-controller.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/rest-api/endpoints/class-wp-rest-menus-controller.php	Fri Sep 05 18:52:52 2025 +0200
@@ -84,6 +84,12 @@
 	 * @return true|WP_Error True if the current user has permission, WP_Error object otherwise.
 	 */
 	protected function check_has_read_only_access( $request ) {
+		/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php */
+		$read_only_access = apply_filters( 'rest_menu_read_access', false, $request, $this );
+		if ( $read_only_access ) {
+			return true;
+		}
+
 		if ( current_user_can( 'edit_theme_options' ) ) {
 			return true;
 		}