In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting payload on the audit page.

It was identified that in certain versions of Octopus Server, that a user created with no permissions could view all users, user roles and permissions. This functionality was removed in versions of Octopus Server after the fixed versions listed.

It is possible for an API key to be logged in clear text in the audit log file after an invalid login attempt.

A race condition was identified through which privilege escalation was possible in certain configurations.