alaugks
diff --git a/‎src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
+26-2Lines changed: 26 additions & 2 deletions b/‎src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
+26-2Lines changed: 26 additions & 2 deletions
diff --git a/‎src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
+11Lines changed: 11 additions & 0 deletions b/‎src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
+11Lines changed: 11 additions & 0 deletions
@@ -173,11 +173,11 @@ protected function isAllowedAttribute($classOrObject, string $attribute, ?string
             return false;
         }
 
-        $class = \is_object($classOrObject) ? \get_class($classOrObject) : $classOrObject;
+        $class = $this->getClass($classOrObject);
 
         if ($context['_read_attributes'] ?? true) {
             if (!isset(self::$isReadableCache[$class.$attribute])) {
-                self::$isReadableCache[$class.$attribute] = (\is_object($classOrObject) && $this->propertyAccessor->isReadable($classOrObject, $attribute)) || $this->propertyInfoExtractor->isReadable($class, $attribute) || $this->hasAttributeAccessorMethod($class, $attribute);
+                self::$isReadableCache[$class.$attribute] = $this->isReadable($classOrObject, $attribute);
             }
 
             return self::$isReadableCache[$class.$attribute];
@@ -213,4 +213,28 @@ private function hasAttributeAccessorMethod(string $class, string $attribute): b
             && !$method->getAttributes(Ignore::class)
             && !$method->getNumberOfRequiredParameters();
     }
+
+    private function isReadable($classOrObject, string $attribute): bool
+    {
+        $class = $this->getClass($classOrObject);
+
+        if ($this->propertyInfoExtractor->isReadable($class, $attribute)) {
+            return true;
+        }
+
+        if ($this->hasAttributeAccessorMethod($class, $attribute)) {
+            return true;
+        }
+
+        if (\is_object($classOrObject) && $this->propertyAccessor->isReadable($classOrObject, $attribute)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    private function getClass($classOrObject): string
+    {
+        return \is_object($classOrObject) ? \get_class($classOrObject) : $classOrObject;
+    }
 }
@@ -953,6 +953,17 @@ public function testDenormalizeWithPropertyPath()
 
         $this->assertEquals($expected, $obj);
     }
+
+    public function testObjectNormalizerWithAttributeLoaderAndObjectHasStaticProperty()
+    {
+        $class = new class {
+            public static string $foo;
+        };
+
+        $normalizer = new ObjectNormalizer(new ClassMetadataFactory(new AttributeLoader()));
+        $normalizer->normalize($class);
+        $this->expectNotToPerformAssertions();
+    }
 }
 
 class ProxyObjectDummy extends ObjectDummy