diff --git a/core/lib/Drupal/Core/TempStore/SharedTempStore.php b/core/lib/Drupal/Core/TempStore/SharedTempStore.php
index 90572d8bba..e064d7d97f 100644
--- a/core/lib/Drupal/Core/TempStore/SharedTempStore.php
+++ b/core/lib/Drupal/Core/TempStore/SharedTempStore.php
@@ -310,7 +310,9 @@ public function deleteIfOwner($key) {
    * This method should be called when a value is set.
    */
   protected function ensureAnonymousSession() {
-    if ($this->currentUser->isAnonymous()) {
+    // If this is being run from the CLI then the request will not have
+    // session.
+    if ($this->currentUser->isAnonymous() && $this->requestStack->getCurrentRequest()->hasSession()) {
       $this->requestStack->getCurrentRequest()->getSession()->set('core.tempstore.shared.owner', $this->owner);
     }
   }