From 18c3a79b86f23b0ba131e461d99e7bd09f227c20 Mon Sep 17 00:00:00 2001
From: Kovalchuk <avtop25459@gmail.com>
Date: Fri, 3 Oct 2025 15:16:20 +0200
Subject: [PATCH] Prevent dynamic property creation due to JsonMapperHelper

---
 src/JsonMapperHelper.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/JsonMapperHelper.php b/src/JsonMapperHelper.php
index 840cc8c..1ea0042 100644
--- a/src/JsonMapperHelper.php
+++ b/src/JsonMapperHelper.php
@@ -21,7 +21,7 @@ public static function setUndefinedProperty($object, $propName, $jsonValue)
                 $object->{$propName} = $jsonValue;
                 $object->customFields[$propName] = $jsonValue;
             }
-        } else {
+        } elseif (isset($object->{$propName})) {
             $object->{$propName} = $jsonValue;
         }
     }