diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
index 11bc499fc6..8aec375bc8 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
@@ -504,9 +504,9 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 			);
 		}
 
-		if ( $post && ! empty( $request['password'] ) ) {
+		if ( $post && ! empty( $request->get_query_params()['password'] ) ) {
 			// Check post password, and return error if invalid.
-			if ( ! hash_equals( $post->post_password, $request['password'] ) ) {
+			if ( ! hash_equals( $post->post_password, $request->get_query_params()['password'] ) ) {
 				return new WP_Error(
 					'rest_post_incorrect_password',
 					__( 'Incorrect post password.' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 83add0524b..22ef0ce46a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-59035';
+$wp_version = '6.7-alpha-59036';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.