An Incorrect Permission Assignment for Critical Resource flaw was found in Horizon on Red Hat OpenStack. Horizon session cookies are created without the HttpOnly flag despite HorizonSecureCookies being set to true in the environmental files, possibly leading to a loss of confidentiality and integrity.
Red Hat Security Advisory 2022-8856-01 - An update for python-django-horizon is now available for Red Hat OpenStack Platform 16.2.4 (Train) on Red Hat Enterprise Linux (RHEL) 8.4.