Today, we’ve released security patches that address vulnerabilities in both the 7.0 and 6.5 branches. If you are not yet able to upgrade to version 7.0, the patches are also available for version 6.5.
SaaS: No action required – your systems have already been secured by our team.
Self-hosted: Please update to the latest version as soon as possible.
You can find full details in our GitHub security notes: Security Advisories · zammad/zammad · GitHub