Atlassian Questions For Confluence contains a hardcoded credentials vulnerability. When installing versions 2.7.34, 2.7.35, and 3.0.2, a Confluence user account is created in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password can exploit this vulnerability to log into Confluence and access all content accessible to users in the confluence-users group.
View the template here CVE-2022-26138.yaml
References:
https://twitter.com/fluepke/status/1549892089181257729