diff --git a/app/code/Magento/Catalog/Controller/Adminhtml/Product/Initialization/Helper/AttributeFilter.php b/app/code/Magento/Catalog/Controller/Adminhtml/Product/Initialization/Helper/AttributeFilter.php
index abd8c2dd9f377..ad2048e4f1665 100644
--- a/app/code/Magento/Catalog/Controller/Adminhtml/Product/Initialization/Helper/AttributeFilter.php
+++ b/app/code/Magento/Catalog/Controller/Adminhtml/Product/Initialization/Helper/AttributeFilter.php
@@ -28,6 +28,9 @@ class AttributeFilter
     public function prepareProductAttributes(Product $product, array $productData, array $useDefaults): array
     {
         $attributeList = $product->getAttributes();
+
+        $productData['sku'] = trim($productData['sku']);
+        
         foreach ($productData as $attributeCode => $attributeValue) {
             if ($this->isAttributeShouldNotBeUpdated($product, $useDefaults, $attributeCode, $attributeValue)) {
                 unset($productData[$attributeCode]);
diff --git a/app/code/Magento/ConfigurableProduct/Model/Product/VariationHandler.php b/app/code/Magento/ConfigurableProduct/Model/Product/VariationHandler.php
index a462a5ffd9edd..48d6ea922378b 100644
--- a/app/code/Magento/ConfigurableProduct/Model/Product/VariationHandler.php
+++ b/app/code/Magento/ConfigurableProduct/Model/Product/VariationHandler.php
@@ -92,6 +92,7 @@ public function generateSimpleProducts($parentProduct, $productsData)
         $productsData = $this->duplicateImagesForVariations($productsData);
         foreach ($productsData as $simpleProductData) {
             $newSimpleProduct = $this->productFactory->create();
+            $simpleProductData['sku'] = trim($simpleProductData['sku']);
             if (isset($simpleProductData['configurable_attribute'])) {
                 $configurableAttribute = json_decode($simpleProductData['configurable_attribute'], true);
                 unset($simpleProductData['configurable_attribute']);
diff --git a/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/variations/steps/summary.js b/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/variations/steps/summary.js
index dc83a58899981..f3bbdd2478ebc 100644
--- a/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/variations/steps/summary.js
+++ b/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/variations/steps/summary.js
@@ -88,7 +88,7 @@ define([
          * @param {Function} getSectionValue
          */
         calculate: function (variations, getSectionValue) {
-            var productSku = this.variationsComponent().getProductValue('sku'),
+            var productSku = this.variationsComponent().getProductValue('sku').trim(),
                 productPrice = this.variationsComponent().getProductPrice(),
                 productWeight = this.variationsComponent().getProductValue('weight'),
                 productName = this.variationsComponent().getProductValue('name'),