In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.

In affected versions of Octopus Server, OIDC token issuer validation was performed inconsistently

In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.

In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log

In affected versions, Octopus Server incorrectly evaluates multiple scoped permission assignments, allowing a highly privileged user to obtain deployment permissions beyond those actually granted to them.

In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation

In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without possessing the required authorization.