diff --git a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFiles.php b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFiles.php
index e50a4e1b10076..c9916a4383d10 100644
--- a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFiles.php
+++ b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFiles.php
@@ -14,5 +14,12 @@
 class DeleteFiles extends \Magento\Cms\Controller\Adminhtml\Wysiwyg\Images implements HttpPostActionInterface
 {
+    /**
+     * Authorization for deleting files
+     *
+     * @see _isAllowed()
+     */
+    public const ADMIN_RESOURCE = 'Magento_MediaGalleryUiApi::delete_assets';
+
     /**
      * @var \Magento\Framework\Controller\Result\JsonFactory
      */
diff --git a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFolder.php b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFolder.php
index f5f44eb4ed48a..bbcd71392b7a7 100644
--- a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFolder.php
+++ b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/DeleteFolder.php
@@ -16,5 +16,12 @@
 class DeleteFolder extends \Magento\Cms\Controller\Adminhtml\Wysiwyg\Images implements HttpPostActionInterface
 {
+    /**
+     * Authorization for deleting folder
+     *
+     * @see _isAllowed()
+     */
+    public const ADMIN_RESOURCE = 'Magento_MediaGalleryUiApi::delete_folder';
+
     /**
      * @var \Magento\Framework\Controller\Result\JsonFactory
      */
diff --git a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/NewFolder.php b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/NewFolder.php
index 1ef6231611124..5c8ac2a9a8351 100644
--- a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/NewFolder.php
+++ b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/NewFolder.php
@@ -14,5 +14,12 @@
 class NewFolder extends \Magento\Cms\Controller\Adminhtml\Wysiwyg\Images implements HttpPostActionInterface
 {
+    /**
+     * Authorization for creating folder
+     *
+     * @see _isAllowed()
+     */
+    public const ADMIN_RESOURCE = 'Magento_MediaGalleryUiApi::create_folder';
+
     /**
      * @var \Magento\Framework\Controller\Result\JsonFactory
      */
diff --git a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/OnInsert.php b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/OnInsert.php
index c7b0752e52181..5ab5c5e22f8fe 100644
--- a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/OnInsert.php
+++ b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/OnInsert.php
@@ -15,6 +15,13 @@
 
 class OnInsert extends Images implements HttpPostActionInterface
 {
+    /**
+     * Authorization for inserting files
+     *
+     * @see _isAllowed()
+     */
+    public const ADMIN_RESOURCE = 'Magento_MediaGalleryUiApi::insert_assets';
+
     /**
      * @var RawFactory
      */
diff --git a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/Upload.php b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/Upload.php
index aa1964152e0c3..c28a2248dae42 100644
--- a/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/Upload.php
+++ b/vendor/magento/module-cms/Controller/Adminhtml/Wysiwyg/Images/Upload.php
@@ -17,5 +17,12 @@
 class Upload extends \Magento\Cms\Controller\Adminhtml\Wysiwyg\Images implements HttpPostActionInterface
 {
+    /**
+     * Authorization for uploading files
+     *
+     * @see _isAllowed()
+     */
+    public const ADMIN_RESOURCE = 'Magento_MediaGalleryUiApi::upload_assets';
+
     /**
      * @var \Magento\Framework\Controller\Result\JsonFactory
      */
diff --git a/vendor/magento/module-cms/etc/module.xml b/vendor/magento/module-cms/etc/module.xml
index d3fc2846217d9..50953d37fe93e 100644
--- a/vendor/magento/module-cms/etc/module.xml
+++ b/vendor/magento/module-cms/etc/module.xml
@@ -11,6 +11,7 @@
             <module name="Magento_Store"/>
             <module name="Magento_Theme"/>
             <module name="Magento_Variable"/>
+            <module name="Magento_MediaGalleryUiApi"/>
         </sequence>
     </module>
 </config>