diff --git a/ModelDescriber/ObjectModelDescriber.php b/ModelDescriber/ObjectModelDescriber.php
index d1a0646..fc86439 100644
--- a/ModelDescriber/ObjectModelDescriber.php
+++ b/ModelDescriber/ObjectModelDescriber.php
@@ -72,10 +72,15 @@ class ObjectModelDescriber implements ModelDescriberInterface, ModelRegistryAwar
         $annotationsReader->updateDefinition($reflClass, $schema);
 
         $propertyInfoProperties = $this->propertyInfo->getProperties($class, $context);
+
         if (null === $propertyInfoProperties) {
             return;
         }
 
+        // Fix for https://github.com/nelmio/NelmioApiDocBundle/issues/1756
+        // The SerializerExtractor does expose private/protected properties for some reason, so we eliminate them here
+        $propertyInfoProperties = array_intersect($propertyInfoProperties, $this->propertyInfo->getProperties($class, []) ?? []);
+
         foreach ($propertyInfoProperties as $propertyName) {
             $serializedName = null !== $this->nameConverter ? $this->nameConverter->normalize($propertyName, $class, null, null !== $model->getGroups() ? ['groups' => $model->getGroups()] : []) : $propertyName;
 
@@ -86,7 +91,7 @@ class ObjectModelDescriber implements ModelDescriberInterface, ModelRegistryAwar
                 $serializedName = $annotationsReader->getPropertyName($reflection, $serializedName);
             }
 
-            $property = Util::getProperty($schema, $annotationsReader->getPropertyName($reflection, $serializedName));
+            $property = Util::getProperty($schema, $serializedName);
 
             // Interpret additional options
             $groups = $model->getGroups();
diff --git a/Tests/Functional/Entity/PrivateProtectedExposure.php b/Tests/Functional/Entity/PrivateProtectedExposure.php
new file mode 100644
index 0000000..f0b30fb
--- /dev/null
+++ b/Tests/Functional/Entity/PrivateProtectedExposure.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the NelmioApiDocBundle package.
+ *
+ * (c) Nelmio
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Nelmio\ApiDocBundle\Tests\Functional\Entity;
+
+/**
+ * @author Guilhem N. <guilhem.niot@gmail.com>
+ */
+class PrivateProtectedExposure
+{
+    private $privateField;
+    protected $protectedField;
+
+    /**
+     * @var string
+     */
+    public $publicField;
+
+    protected function setProtected(string $thing)
+    {
+    }
+}
diff --git a/Tests/Functional/FunctionalTest.php b/Tests/Functional/FunctionalTest.php
index bedf0b5..126fb91 100644
--- a/Tests/Functional/FunctionalTest.php
+++ b/Tests/Functional/FunctionalTest.php
@@ -471,4 +471,19 @@ class FunctionalTest extends WebTestCase
         $operation = $this->getOperation('/api/article/{id}', 'get');
         $this->assertNull($operation->operationId);
     }
+
+    /**
+     * Related to https://github.com/nelmio/NelmioApiDocBundle/issues/1756
+     * Ensures private/protected properties are not exposed, just like the symfony serializer does.
+     */
+    public function testPrivateProtectedExposure()
+    {
+        // Ensure that groups are supported
+        $model = $this->getModel('PrivateProtectedExposure');
+        $this->assertCount(1, $model->properties);
+        $this->assertHasProperty('publicField', $model);
+        $this->assertNotHasProperty('privateField', $model);
+        $this->assertNotHasProperty('protectedField', $model);
+        $this->assertNotHasProperty('protected', $model);
+    }
 }
diff --git a/Tests/Functional/SwaggerUiTest.php b/Tests/Functional/SwaggerUiTest.php
index c19a0a6..38b5d38 100644
--- a/Tests/Functional/SwaggerUiTest.php
+++ b/Tests/Functional/SwaggerUiTest.php
@@ -53,6 +53,7 @@ class SwaggerUiTest extends WebTestCase
         $expected['servers'] = [
             ['url' => 'http://api.example.com/app_dev.php'],
         ];
+
         $this->assertEquals($expected, json_decode($crawler->filterXPath('//script[@id="swagger-data"]')->text(), true)['spec']);
     }
 
diff --git a/Tests/Functional/TestKernel.php b/Tests/Functional/TestKernel.php
index f2d6d6b..66885bf 100644
--- a/Tests/Functional/TestKernel.php
+++ b/Tests/Functional/TestKernel.php
@@ -19,6 +19,7 @@ use JMS\SerializerBundle\JMSSerializerBundle;
 use Nelmio\ApiDocBundle\NelmioApiDocBundle;
 use Nelmio\ApiDocBundle\Tests\Functional\Entity\BazingaUser;
 use Nelmio\ApiDocBundle\Tests\Functional\Entity\NestedGroup\JMSPicture;
+use Nelmio\ApiDocBundle\Tests\Functional\Entity\PrivateProtectedExposure;
 use Nelmio\ApiDocBundle\Tests\Functional\ModelDescriber\VirtualTypeClassDoesNotExistsHandlerDefinedDescriber;
 use Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle;
 use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
@@ -232,6 +233,10 @@ class TestKernel extends Kernel
             ],
             'models' => [
                 'names' => [
+                    [
+                        'alias' => 'PrivateProtectedExposure',
+                        'type' => PrivateProtectedExposure::class,
+                    ],
                     [
                         'alias' => 'JMSPicture_mini',
                         'type' => JMSPicture::class,
diff --git a/composer.json b/composer.json
index 21753eb..c69465f 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "doctrine/common": "^2.4",
 
         "api-platform/core": "^2.4",
-        "friendsofsymfony/rest-bundle": "^2.8|^3.0@dev",
+        "friendsofsymfony/rest-bundle": "^2.8|^3.0",
         "willdurand/hateoas-bundle": "^1.0|^2.0",
         "jms/serializer-bundle": "^2.3|^3.0",
         "jms/serializer": "^1.14|^3.0"