A session fixation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.3, FortiOS 7.2.0 through 7.2.7, FortiOS 7.0.0 through 7.0.13 allows attacker to execute unauthorized code or commands via phishing SAML authentication link.
https://www.securityweek.com/citrix-fortinet-patch-high-severity-vulnerabilities/