@CookieValue returns decoded cookie value in a Servlet environment (SPR-7286)

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/annotation/AnnotationMethodHandlerAdapter.java

@@ -748,7 +748,7 @@ public class AnnotationMethodHandlerAdapter extends WebContentGenerator
 				return cookieValue;
 			}
 			else if (cookieValue != null) {
-				return cookieValue.getValue();
+				return urlPathHelper.decodeRequestString(servletRequest, cookieValue.getValue());
 			}
 			else {
 				return null;