diff --git a/vendor/magento/module-checkout/Block/Cart/AbstractCart.php b/vendor/magento/module-checkout/Block/Cart/AbstractCart.php
index f5adf416e9a27..435e0a50c4ad7 100644
--- a/vendor/magento/module-checkout/Block/Cart/AbstractCart.php
+++ b/vendor/magento/module-checkout/Block/Cart/AbstractCart.php
@@ -5,7 +5,9 @@
  */
 namespace Magento\Checkout\Block\Cart;
 
+use Magento\Framework\App\ObjectManager;
 use Magento\Quote\Model\Quote;
+use Magento\Checkout\Observer\CatalogRuleSaveAfterObserver;
 
 /**
  * Shopping cart abstract block
@@ -15,7 +17,12 @@ class AbstractCart extends \Magento\Framework\View\Element\Template
     /**
      * Block alias fallback
      */
-    const DEFAULT_TYPE = 'default';
+    public const DEFAULT_TYPE = 'default';
+
+    /**
+     * Session key for last time cart totals were recollected (used with catalog rules cache).
+     */
+    private const SESSION_KEY_LAST_RECOLLECT_AT = 'last_cart_totals_recollect_at';
 
     /**
      * @var Quote|null
@@ -44,21 +51,28 @@ class AbstractCart extends \Magento\Framework\View\Element\Template
      */
     protected $_checkoutSession;
 
+    /**
+     * @var \Magento\Framework\App\CacheInterface
+     */
+    private $cache;
+
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
      * @param \Magento\Customer\Model\Session $customerSession
      * @param \Magento\Checkout\Model\Session $checkoutSession
      * @param array $data
-     * @codeCoverageIgnore
+     * @param \Magento\Framework\App\CacheInterface|null $cache
      */
     public function __construct(
         \Magento\Framework\View\Element\Template\Context $context,
         \Magento\Customer\Model\Session $customerSession,
         \Magento\Checkout\Model\Session $checkoutSession,
-        array $data = []
+        array $data = [],
+        ?\Magento\Framework\App\CacheInterface $cache = null
     ) {
         $this->_customerSession = $customerSession;
         $this->_checkoutSession = $checkoutSession;
+        $this->cache = $cache ?? ObjectManager::getInstance()->get(\Magento\Framework\App\CacheInterface::class);
         parent::__construct($context, $data);
         $this->_isScopePrivate = true;
     }
@@ -107,15 +121,46 @@ public function getQuote()
     {
         if (null === $this->_quote) {
             $this->_quote = $this->_checkoutSession->getQuote();
+
+            if ($this->_quote->getId() && $this->shouldRecollectTotals()) {
+                $existingItemsCount = $this->_quote->getItemsCount();
+                $existingItemsQty = $this->_quote->getItemsQty();
+                $existingVirtualItemsQty = $this->_quote->getData('virtual_items_qty');
+                $this->_quote->setData('totals_collected_flag', false);
+                $this->_quote->collectTotals();
+                $this->_quote->setItemsCount($existingItemsCount);
+                $this->_quote->setItemsQty($existingItemsQty);
+                $this->_quote->setData('virtual_items_qty', $existingVirtualItemsQty);
+                $this->_checkoutSession->setData(
+                    self::SESSION_KEY_LAST_RECOLLECT_AT,
+                    $this->cache->load(CatalogRuleSaveAfterObserver::CACHE_KEY_CATALOG_RULES_UPDATED_AT)
+                );
+            }
         }
         return $this->_quote;
     }
 
+    /**
+     * Whether cart totals should be recollected (only after a catalog price rule was saved).
+     *
+     * @return bool
+     */
+    private function shouldRecollectTotals(): bool
+    {
+        $rulesUpdatedAt = (int) ($this->cache->load(
+            CatalogRuleSaveAfterObserver::CACHE_KEY_CATALOG_RULES_UPDATED_AT
+        ) ?: 0);
+        if ($rulesUpdatedAt <= 0) {
+            return false;
+        }
+        $lastRecollectAt = (int) ($this->_checkoutSession->getData(self::SESSION_KEY_LAST_RECOLLECT_AT) ?: 0);
+        return $rulesUpdatedAt > $lastRecollectAt;
+    }
+
     /**
      * Get all cart items
      *
      * @return array
-     * @codeCoverageIgnore
      */
     public function getItems()
     {
@@ -135,8 +180,9 @@ public function getItemHtml(\Magento\Quote\Model\Quote\Item $item)
     }
 
     /**
+     * Retrieve totals.
+     *
      * @return array
-     * @codeCoverageIgnore
      */
     public function getTotals()
     {
@@ -144,6 +190,8 @@ public function getTotals()
     }
 
     /**
+     * Retrieve cached totals.
+     *
      * @return array
      */
     public function getTotalsCache()
diff --git a/vendor/magento/module-checkout/Observer/CatalogRuleSaveAfterObserver.php b/vendor/magento/module-checkout/Observer/CatalogRuleSaveAfterObserver.php
new file mode 100644
index 0000000000000..4ff77dba72dc0
--- /dev/null
+++ b/vendor/magento/module-checkout/Observer/CatalogRuleSaveAfterObserver.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ * Copyright 2026 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\Checkout\Observer;
+
+use Magento\Framework\App\CacheInterface;
+use Magento\Framework\Event\ObserverInterface;
+
+/**
+ * Sets a cache flag when a catalog price rule is saved so the cart page can refresh totals only when needed.
+ */
+class CatalogRuleSaveAfterObserver implements ObserverInterface
+{
+    /**
+     * Cache key for catalog price rules updated timestamp (used by AbstractCart to decide whether to recollect).
+     */
+    public const CACHE_KEY_CATALOG_RULES_UPDATED_AT = 'checkout_cart_catalog_rules_updated_at';
+
+    /**
+     * Cache lifetime (7 days).
+     */
+    private const CACHE_LIFETIME = 604800;
+
+    /**
+     * @var CacheInterface
+     */
+    private $cache;
+
+    /**
+     * @param CacheInterface $cache
+     */
+    public function __construct(CacheInterface $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    /**
+     * When a catalog rule is saved, set cache timestamp so storefront cart can refresh totals once.
+     *
+     * @param \Magento\Framework\Event\Observer $observer
+     * @return void
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function execute(\Magento\Framework\Event\Observer $observer): void
+    {
+        $this->cache->save(
+            (string) time(),
+            self::CACHE_KEY_CATALOG_RULES_UPDATED_AT,
+            [],
+            self::CACHE_LIFETIME
+        );
+    }
+}
diff --git a/vendor/magento/module-checkout/etc/events.xml b/vendor/magento/module-checkout/etc/events.xml
index dd2897f5db6eb..fe22be96dfe92 100644
--- a/vendor/magento/module-checkout/etc/events.xml
+++ b/vendor/magento/module-checkout/etc/events.xml
@@ -9,4 +9,7 @@
     <event name="sales_quote_save_after">
         <observer name="set_checkout_quote_id" instance="Magento\Checkout\Observer\SalesQuoteSaveAfterObserver" />
     </event>
+    <event name="magento_catalogrule_api_data_ruleinterface_save_after">
+        <observer name="checkout_catalog_rule_save_after" instance="Magento\Checkout\Observer\CatalogRuleSaveAfterObserver" />
+    </event>
 </config>