diff --git a/vendor/magento/module-catalog-staging/Model/IsProductInActiveUpdate.php b/vendor/magento/module-catalog-staging/Model/IsProductInActiveUpdate.php
new file mode 100644
index 000000000000..de1132723611
--- /dev/null
+++ b/vendor/magento/module-catalog-staging/Model/IsProductInActiveUpdate.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * ADOBE CONFIDENTIAL
+ *
+ * Copyright 2025 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.
+ */
+declare(strict_types=1);
+
+namespace Magento\CatalogStaging\Model;
+
+use Magento\Catalog\Api\Data\ProductInterface;
+use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\EntityManager\MetadataPool;
+use Magento\Staging\Model\VersionManager;
+
+class IsProductInActiveUpdate
+{
+    /**
+     * @param ResourceConnection $resourceConnection
+     * @param MetadataPool $metadataPool
+     * @param VersionManager $versionManager
+     */
+    public function __construct(
+        private ResourceConnection $resourceConnection,
+        private MetadataPool $metadataPool,
+        private VersionManager $versionManager
+    ) {
+    }
+
+    /**
+     * Returns true if the product participates in an active (current) staging update.
+     *
+     * @param ProductInterface $product
+     * @return bool
+     */
+    public function execute(ProductInterface $product): bool
+    {
+        $currentVersion = $this->versionManager->getCurrentVersion();
+
+        if (!$product->getId() || !$currentVersion->getRollbackId()) {//if no rollback id, then it is not temporary
+            return false;
+        }
+
+        $metadata = $this->metadataPool->getMetadata(ProductInterface::class);
+        $connection = $this->resourceConnection->getConnection();
+        $linkField = $metadata->getLinkField();
+        $linkFieldValue = $product->getData($linkField);
+
+        if (!$linkFieldValue) {
+            $linkFieldValue = $connection->fetchOne(
+                $connection->select()
+                    ->from($metadata->getEntityTable(), $linkField)
+                    ->where($metadata->getIdentifierField() . ' = ?', $product->getId())
+            );
+        }
+
+        if (!$linkFieldValue) {
+            return false;
+        }
+
+        $select = $connection->select()
+            ->from($metadata->getEntityTable(), [$linkField])
+            ->where($linkField . ' = ?', $linkFieldValue)
+            ->where('created_in = ?', (int)$currentVersion->getId())
+            ->where('updated_in = ?', (int)$currentVersion->getRollbackId())
+            ->limit(1);
+
+        return (bool)$connection->fetchOne($select);
+    }
+}
diff --git a/vendor/magento/module-catalog-staging/Observer/ProhibitSkuChangeIfStagedObserver.php b/vendor/magento/module-catalog-staging/Observer/ProhibitSkuChangeIfStagedObserver.php
new file mode 100644
index 000000000000..8505aba8e1e6
--- /dev/null
+++ b/vendor/magento/module-catalog-staging/Observer/ProhibitSkuChangeIfStagedObserver.php
@@ -0,0 +1,67 @@
+<?php
+/**
+ * ADOBE CONFIDENTIAL
+ *
+ * Copyright 2025 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.
+ */
+declare(strict_types=1);
+
+namespace Magento\CatalogStaging\Observer;
+
+use Magento\Catalog\Api\Data\ProductInterface;
+use Magento\CatalogStaging\Model\IsProductInActiveUpdate;
+use Magento\Framework\Event\Observer as EventObserver;
+use Magento\Framework\Event\ObserverInterface;
+use Magento\Framework\Exception\LocalizedException;
+
+class ProhibitSkuChangeIfStagedObserver implements ObserverInterface
+{
+    /**
+     * @param IsProductInActiveUpdate $isProductInActiveUpdate
+     */
+    public function __construct(
+        private IsProductInActiveUpdate $isProductInActiveUpdate
+    ) {
+    }
+
+    /**
+     * Prevent SKU changes when product participates in active or future staging updates.
+     *
+     * @param EventObserver $observer
+     * @throws LocalizedException
+     */
+    public function execute(EventObserver $observer): void
+    {
+        /** @var ProductInterface|null $product */
+        $product = $observer->getEvent()->getProduct();
+        if (!$product instanceof ProductInterface) {
+            return;
+        }
+
+        $originalSku = (string)$product->getOrigData('sku');
+        $currentSku = (string)$product->getSku();
+
+        if ($originalSku === '' || $originalSku === $currentSku) {
+            return;
+        }
+
+        if ($this->isProductInActiveUpdate->execute($product)) {
+            throw new LocalizedException(
+                __(
+                    'You cannot change the SKU because this product has an active update. '
+                    . 'End the update, then change the SKU.'
+                )
+            );
+        }
+    }
+}
diff --git a/vendor/magento/module-catalog-staging/Ui/DataProvider/Product/Form/Modifier/DisableSkuWhenStaged.php b/vendor/magento/module-catalog-staging/Ui/DataProvider/Product/Form/Modifier/DisableSkuWhenStaged.php
new file mode 100644
index 000000000000..7ff56fec4771
--- /dev/null
+++ b/vendor/magento/module-catalog-staging/Ui/DataProvider/Product/Form/Modifier/DisableSkuWhenStaged.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * ADOBE CONFIDENTIAL
+ *
+ * Copyright 2025 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.
+ */
+declare(strict_types=1);
+
+namespace Magento\CatalogStaging\Ui\DataProvider\Product\Form\Modifier;
+
+use Magento\Catalog\Api\Data\ProductAttributeInterface;
+use Magento\Catalog\Model\Locator\LocatorInterface;
+use Magento\CatalogStaging\Model\IsProductInActiveUpdate;
+use Magento\Framework\Stdlib\ArrayManager;
+use Magento\Ui\DataProvider\Modifier\ModifierInterface;
+
+class DisableSkuWhenStaged implements ModifierInterface
+{
+    /**
+     * @param ArrayManager $arrayManager
+     * @param LocatorInterface $locator
+     * @param IsProductInActiveUpdate $isProductInActiveUpdate
+     */
+    public function __construct(
+        private ArrayManager $arrayManager,
+        private LocatorInterface $locator,
+        private IsProductInActiveUpdate $isProductInActiveUpdate
+    ) {
+    }
+
+    /**
+     * Disable SKU field when product has active staging update.
+     *
+     * @param array $meta
+     * @return array
+     */
+    public function modifyMeta(array $meta): array
+    {
+        $product = $this->locator->getProduct();
+        if (!$product || !$product->getId()) {
+            return $meta;
+        }
+
+        if (!$this->isProductInActiveUpdate->execute($product)) {
+            return $meta;
+        }
+
+        $skuPath = $this->arrayManager->findPath(ProductAttributeInterface::CODE_SKU, $meta, null, 'children');
+        if ($skuPath === null) {
+            return $meta;
+        }
+
+        $configPath = $skuPath . '/arguments/data/config';
+        $meta = $this->arrayManager->merge(
+            $configPath,
+            $meta,
+            [
+                'disabled' => true,
+                'notice' => __('SKU cannot be changed while this product has an active update.')
+            ]
+        );
+
+        return $meta;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function modifyData(array $data): array
+    {
+        return $data;
+    }
+}
diff --git a/vendor/magento/module-catalog-staging/etc/adminhtml/di.xml b/vendor/magento/module-catalog-staging/etc/adminhtml/di.xml
index 68e7e3159516..132df322dd4b 100644
--- a/vendor/magento/module-catalog-staging/etc/adminhtml/di.xml
+++ b/vendor/magento/module-catalog-staging/etc/adminhtml/di.xml
@@ -252,6 +252,10 @@
                     <item name="class" xsi:type="string">Magento\CatalogStaging\Ui\DataProvider\Product\Form\Modifier\ScheduleDesignUpdate</item>
                     <item name="sortOrder" xsi:type="number">80</item>
                 </item>
+                <item name="catalogstaging_disable_sku_when_staged" xsi:type="array">
+                    <item name="class" xsi:type="string">Magento\CatalogStaging\Ui\DataProvider\Product\Form\Modifier\DisableSkuWhenStaged</item>
+                    <item name="sortOrder" xsi:type="number">55</item>
+                </item>
             </argument>
         </arguments>
     </virtualType>
diff --git a/vendor/magento/module-catalog-staging/etc/events.xml b/vendor/magento/module-catalog-staging/etc/events.xml
index 90b80b1678dc..e8e21c3082a1 100644
--- a/vendor/magento/module-catalog-staging/etc/events.xml
+++ b/vendor/magento/module-catalog-staging/etc/events.xml
@@ -9,5 +9,6 @@
     <event name="catalog_product_save_before">
         <observer name="synchronize_product_date_range" instance="Magento\CatalogStaging\Observer\UpdateProductDateAttributes" />
         <observer name="set_special_price_start_date" disabled="true" />
+        <observer name="catalogstaging_prohibit_sku_change_during_staging" instance="Magento\CatalogStaging\Observer\ProhibitSkuChangeIfStagedObserver"/>
     </event>
 </config>