Ticket #42202: 42202.2.diff

src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php

@@ -196 +196 @@
                         $can_view = false;
                         $types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
                         foreach ( $types as $type ) {
-                                if ( current_user_can( $type->cap->edit_posts ) ) {
+                                if ( post_type_supports( $type->name, 'author' )
+                                        && current_user_can( $type->cap->edit_posts ) ) {
                                         $can_view = true;
                                 }
                         }