    def update_user_tenant(self, context, user_id, user):
        """Update the default tenant."""
        self.assert_admin(context)
        # ensure that we're a member of that tenant
        tenant_id = user.get('tenantId')
        self.identity_api.add_user_to_tenant(context, tenant_id, user_id)
        return self.update_user(context, user_id, user)
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.