Fix: getSalableVariantsByParent hook up cataloginventory/options/show_out_of_stock setting

app/code/Magento/ConfigurableProductGraphQl/Model/Options/DataProvider/Variant.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
  */
 declare(strict_types=1);
 
@@ -10,6 +10,8 @@
 use Magento\Catalog\Api\Data\ProductInterface;
 use Magento\CatalogInventory\Model\ResourceModel\Stock\StatusFactory;
 use Magento\ConfigurableProduct\Model\Product\Type\Configurable;
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Store\Model\ScopeInterface;
 use Magento\Framework\Exception\LocalizedException;
 
 /**
@@ -27,16 +29,24 @@ class Variant
      */
     private $stockStatusFactory;
 
+    /**
+     * @var ScopeConfigInterface
+     */
+    private $scopeConfig;
+
     /**
      * @param Configurable $configurableType
      * @param StatusFactory $stockStatusFactory
+     * @param ScopeConfigInterface $scopeConfig
      */
     public function __construct(
         Configurable $configurableType,
-        StatusFactory $stockStatusFactory
+        StatusFactory $stockStatusFactory,
+        ScopeConfigInterface $scopeConfig
     ) {
         $this->configurableType = $configurableType;
         $this->stockStatusFactory = $stockStatusFactory;
+        $this->scopeConfig = $scopeConfig;
     }
 
     /**
@@ -56,8 +66,12 @@ public function getSalableVariantsByParent(ProductInterface $product): array
         $stockFlag = 'has_stock_status_filter';
         if (!$collection->hasFlag($stockFlag)) {
             $stockStatusResource = $this->stockStatusFactory->create();
-            $stockStatusResource->addStockDataToCollection($collection, true);
-            $collection->setFlag($stockFlag, true);
+            $showOutOfStock = $this->scopeConfig->isSetFlag(
+                'cataloginventory/options/show_out_of_stock',
+                ScopeInterface::SCOPE_STORE
+            );
+            $stockStatusResource->addStockDataToCollection($collection, !$showOutOfStock);
+            $collection->setFlag($stockFlag, !$showOutOfStock);
         }
         $collection->addMediaGalleryData();
         $collection->addTierPriceData();

app/code/Magento/ConfigurableProductGraphQl/composer.json

@@ -11,6 +11,7 @@
         "magento/module-quote": "*",
         "magento/module-quote-graph-ql": "*",
         "magento/module-catalog-inventory": "*",
+        "magento/module-store": "*",
         "magento/framework": "*"
     },
     "license": [