fix: Plain error message when visiting a dashboard via permalink with…

…out permissions (#27132)

superset/views/core.py

@@ -47,6 +47,7 @@
 from superset.commands.chart.exceptions import ChartNotFoundError
 from superset.commands.chart.warm_up_cache import ChartWarmUpCacheCommand
 from superset.commands.dashboard.importers.v0 import ImportDashboardsCommand
+from superset.commands.dashboard.exceptions import DashboardAccessDeniedError
 from superset.commands.dashboard.permalink.get import GetDashboardPermalinkCommand
 from superset.commands.dataset.exceptions import DatasetNotFoundError
 from superset.commands.explore.form_data.create import CreateFormDataCommand
@@ -880,6 +881,9 @@ def dashboard_permalink(
         except DashboardPermalinkGetFailedError as ex:
             flash(__("Error: %(msg)s", msg=ex.message), "danger")
             return redirect("/dashboard/list/")
+        except DashboardAccessDeniedError as ex:
+            flash(__("Error: %(msg)s", msg=ex.message), "danger")
+            return redirect("/dashboard/list/")
         if not value:
             return json_error_response(_("permalink state not found"), status=404)
         dashboard_id, state = value["dashboardId"], value.get("state", {})