automation-controller: automation-controller: unauthenticated 200-vs-403 oracle in Bitbucket Data Center webhook receiver enumerates webhook-enabled job templates

A flaw was found in the Ansible Automation Platform automation-controller. The unauthenticated Bitbucket Data Center webhook receiver skips HMAC signature verification for diagnostics:ping events after it has already looked up the target template, causing the endpoint to return HTTP 200 for a...