Panels listing of below are not set proper policy rules. These are only set a permission of service.
Therefore if service is enable but a user don't have a privilege by policy.json, a user will be able to display its page but an API error will occur.
I think we should address it like a "projects" panel.
openstack_dashboard/dashboards/admin/aggregates/panel.py
openstack_dashboard/dashboards/admin/defaults/panel.py
openstack_dashboard/dashboards/admin/flavors/panel.py
openstack_dashboard/dashboards/admin/hypervisors/panel.py
openstack_dashboard/dashboards/admin/images/panel.py
openstack_dashboard/dashboards/admin/info/panel.py
openstack_dashboard/dashboards/admin/instances/panel.py
openstack_dashboard/dashboards/admin/metadata_defs/panel.py
openstack_dashboard/dashboards/admin/networks/panel.py
openstack_dashboard/dashboards/admin/routers/panel.py
openstack_dashboard/dashboards/admin/volumes/panel.py
openstack_dashboard/dashboards/project/access_and_security/panel.py
openstack_dashboard/dashboards/project/firewalls/panel.py
openstack_dashboard/dashboards/project/images/panel.py
openstack_dashboard/dashboards/project/instances/panel.py
openstack_dashboard/dashboards/project/loadbalancers/panel.py
openstack_dashboard/dashboards/project/network_topology/panel.py
openstack_dashboard/dashboards/project/networks/panel.py
openstack_dashboard/dashboards/project/ngimages/panel.py
openstack_dashboard/dashboards/project/overview/panel.py
openstack_dashboard/dashboards/project/routers/panel.py
openstack_dashboard/dashboards/project/stacks/panel.py
openstack_dashboard/dashboards/project/stacks/resource_types/panel.py
Removed assignee due to inactivity.