diff --git a/vendor/magento/module-negotiable-quote/Helper/Quote.php b/vendor/magento/module-negotiable-quote/Helper/Quote.php
index 6346f748b8bc..bce9e88c46f6 100644
--- a/vendor/magento/module-negotiable-quote/Helper/Quote.php
+++ b/vendor/magento/module-negotiable-quote/Helper/Quote.php
@@ -1,7 +1,18 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * ADOBE CONFIDENTIAL
+ *
+ * Copyright 2015 Adobe
+ * All Rights Reserved.
+ *
+ * NOTICE: All information contained herein is, and remains
+ * the property of Adobe and its suppliers, if any. The intellectual
+ * and technical concepts contained herein are proprietary to Adobe
+ * and its suppliers and are protected by all applicable intellectual
+ * property laws, including trade secret and copyright laws.
+ * Dissemination of this information or reproduction of this material
+ * is strictly forbidden unless prior written permission is obtained
+ * from Adobe.
  */
 
 namespace Magento\NegotiableQuote\Helper;
@@ -26,6 +37,20 @@
  */
 class Quote extends \Magento\Framework\App\Helper\AbstractHelper
 {
+    public const AVAILABLE_OPTIONS_NAMES = [
+        'super_attribute',
+        'options',
+        'bundle_option',
+        'bundle_option_qty',
+        'custom_giftcard_amount',
+        'giftcard_amount',
+        'giftcard_message',
+        'giftcard_recipient_email',
+        'giftcard_recipient_name',
+        'giftcard_sender_email',
+        'giftcard_sender_name'
+    ];
+
     /**
      * @var CartInterface
      */
@@ -268,20 +293,8 @@ public function getFormattedCartPrice(CartItemInterface $item, $quoteCurrency =
     public function retrieveCustomOptions(CartItemInterface $item, $isString = true)
     {
         $options = [];
-        $optionsNames = [
-            'super_attribute',
-            'options',
-            'bundle_option',
-            'custom_giftcard_amount',
-            'giftcard_amount',
-            'giftcard_message',
-            'giftcard_recipient_email',
-            'giftcard_recipient_name',
-            'giftcard_sender_email',
-            'giftcard_sender_name'
-        ];
         $request = $item->getBuyRequest();
-        foreach ($optionsNames as $option) {
+        foreach (self::AVAILABLE_OPTIONS_NAMES as $option) {
             if ($request->hasData($option) && $request->getData($option)) {
                 $options[$option] = $request->getData($option);
             }
diff --git a/vendor/magento/module-negotiable-quote/Model/QuoteItemsUpdater.php b/vendor/magento/module-negotiable-quote/Model/QuoteItemsUpdater.php
index 8a9941c05459..21c25f3c38b2 100644
--- a/vendor/magento/module-negotiable-quote/Model/QuoteItemsUpdater.php
+++ b/vendor/magento/module-negotiable-quote/Model/QuoteItemsUpdater.php
@@ -221,10 +221,32 @@ private function isNeedReconfigurationItem(CartItemInterface $item, array $data)
         $newConfig = [];
         // phpcs:ignore Magento2.Functions.DiscouragedFunction
         parse_str(urldecode($data['config']), $newConfig);
+        $newConfig = $this->sanitizeConfig($newConfig);
 
         return is_array($oldConfig) && is_array($newConfig) && $oldConfig != $newConfig;
     }
 
+    /**
+     * Filter config
+     *
+     * @param array $config
+     * @return array
+     */
+    private function sanitizeConfig(array $config) : array
+    {
+        $configKeys = array_keys($config);
+        $result = $config;
+        if (in_array('bundle_option', $configKeys)) {
+            $result = [];
+            foreach ($config as $key => $value) {
+                if (in_array($key, $this->negotiableQuoteHelper::AVAILABLE_OPTIONS_NAMES)) {
+                    $result[$key] = $value;
+                }
+            }
+        }
+        return $result;
+    }
+
     /**
      * Remove quote items from quote.
      *