3545 object access public properties

Neos.Utility.ObjectHandling/Classes/ObjectAccess.php

@@ -185,7 +185,9 @@ protected static function initializePropertyGetterCache(string $cacheIdentifier,
         if ($subject instanceof \ArrayAccess) {
             return;
         }
-        if (array_key_exists($propertyName, get_object_vars($subject))) {
+        $properties = array_map(fn(\ReflectionProperty $property) => $property->getName(), (new \ReflectionClass($subject))->getProperties(\ReflectionProperty::IS_PUBLIC));
+
+        if (in_array($propertyName, $properties)) {
             self::$propertyGetterCache[$cacheIdentifier]['publicProperty'] = $propertyName;
         }
     }

Neos.Utility.ObjectHandling/Tests/Unit/Fixture/DummyClassWithPublicProperties.php

@@ -0,0 +1,24 @@
+<?php
+namespace Neos\Utility\ObjectHandling\Tests\Unit\Fixture;
+
+/*
+ * This file is part of the Neos.Utility.ObjectHandling package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+/**
+ * Fixture class with public properties
+ *
+ */
+
+class DummyClassWithPublicProperties
+{
+    public string $first = 'first';
+    public string $second;
+    public ?string = null;
+}