In affected versions of Octopus Deploy users of certain browsers using AD to sign-in to Octopus Server were able to bypass authentication checks and be redirected to the configured redirect url without any validation.
In affected versions of Octopus Deploy it is possible for certain types of sensitive variables to inadvertently become unmasked when viewed in variable preview.
In affected versions of Octopus Server it is possible to reveal the existence of resources in a space that the user does not have access to due to verbose error messaging.
In affected versions of Octopus Server it is possible for a session token to be valid indefinitely due to improper validation of the session token parameters.