We have both Cloud and on-prem Jira/bitbucket/bamboo/octapus.
We have seen the advisory post link below, but it doesn't mention cloud. Are there any injection vulnerabilities there?
Daniel with Atlassian Support here to let you know our security team has finished its investigation. We have an official response statement here on Community, which you can access at this link.
More information can be found on our advisory page, as well as the previously-published FAQ:
Daniel Eads | Atlassian Support