ITFlow before 26.08 allows SVG attachments in the ticket email parser (cron/ticket_email_parser.php) for email messages that may arrive over SMTP from arbitrary senders.
https://github.com/itflow-org/itflow/security/advisories/GHSA-89fw-w69c-vghj
https://github.com/itflow-org/itflow/commit/16000efcf7f7c833aae9f8da22d2a82df21a49c0