diff --git a/core/modules/node/src/Plugin/Search/NodeSearch.php b/core/modules/node/src/Plugin/Search/NodeSearch.php
index dac7b88..7524059 100644
--- a/core/modules/node/src/Plugin/Search/NodeSearch.php
+++ b/core/modules/node/src/Plugin/Search/NodeSearch.php
@@ -336,7 +336,8 @@ protected function prepareResults(StatementInterface $found) {
         'score' => $item->calculated_score,
         'snippet' => search_excerpt($keys, $node->rendered, $item->langcode),
         'langcode' => $node->language()->getId(),
-        'cache_tags' => $build['#cache']['tags']
+        'cache_tags' => $build['#cache']['tags'],
+        'cache_contexts' => array('user.node_grants:view'),
       );
     }
     return $results;
diff --git a/core/modules/search/src/Controller/SearchController.php b/core/modules/search/src/Controller/SearchController.php
index a710fa2..3af9863 100644
--- a/core/modules/search/src/Controller/SearchController.php
+++ b/core/modules/search/src/Controller/SearchController.php
@@ -106,6 +106,7 @@ public function view(Request $request, SearchPageInterface $entity) {
 
     $results += array(
       'cache_tags' => array(),
+      'cache_contexts' => array(),
       'items' => array(),
     );
 
@@ -129,7 +130,8 @@ public function view(Request $request, SearchPageInterface $entity) {
         ),
       ),
       '#cache' => array(
-        'tags' => array_merge($entity->getCacheTags(), $results['cache_tags']),
+        'tags' => Cache::mergeTags($entity->getCacheTags(), $results['cache_tags']),
+        'contexts' => Cache::mergeContexts($entity->getCacheContexts(), $results['cache_contexts']),
       ),
     );
 
diff --git a/core/modules/search/src/Plugin/SearchInterface.php b/core/modules/search/src/Plugin/SearchInterface.php
index ebf719e..6af470d 100644
--- a/core/modules/search/src/Plugin/SearchInterface.php
+++ b/core/modules/search/src/Plugin/SearchInterface.php
@@ -88,11 +88,13 @@ public function execute();
    * Executes the search and builds render arrays for the result items.
    *
    * @return array
-   *   An array that has 'items' and 'cache_tags' arrays. The 'items' array is
-   *   an array of render arrays of search result items (generally each item
-   *   has '#theme' set to 'search_result'), or an empty array if there are no
-   *   results. The 'cache_tags' array holds all the cache tags associated with
-   *   the items in the 'items' array.
+   *   An array that has 'items', 'cache_tags' and 'cache_contexts' arrays.
+   *   The 'items' array is an array of render arrays of search result items
+   *   (generally each items has '#theme' set to 'search_result'),
+   *   or an empty array if there are no results.
+   *   The 'cache_tags' array holds all the cache tags associated with the items
+   *   in the 'items' array. The 'cache_contexts' array holds the contexts for
+   *   all the the search page.
    */
   public function buildResults();
 
diff --git a/core/modules/search/src/Plugin/SearchPluginBase.php b/core/modules/search/src/Plugin/SearchPluginBase.php
index e0bd857..61b664f 100644
--- a/core/modules/search/src/Plugin/SearchPluginBase.php
+++ b/core/modules/search/src/Plugin/SearchPluginBase.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\search\Plugin;
 
+use Drupal\Core\Cache\Cache;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Plugin\PluginBase;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
@@ -101,6 +102,7 @@ public function buildResults() {
     $built = array(
       'cache_tags' => array(),
       'items' => array(),
+      'cache_contexts' => array(),
     );
     foreach ($results as $result) {
       $built['items'][] = array(
@@ -108,7 +110,8 @@ public function buildResults() {
         '#result' => $result,
         '#plugin_id' => $this->getPluginId(),
       );
-      $built['cache_tags'] = array_merge($built['cache_tags'], $result['cache_tags']);
+      $built['cache_tags'] = Cache::mergeTags($built['cache_tags'], $result['cache_tags']);
+      $built['cache_contexts'] = Cache::mergeContexts($built['cache_contexts'], $result['cache_contexts']);
     }
 
     return $built;