Key Findings Threat actors have begun exploiting two newly disclosed security flaws in Fortinet FortiGate devices, less than a week after public disclosure. The attacks exploit two critical authentication bypasses (CVE-2025-59718 and CVE-2025-59719, CVSS scores: 9.8). The vulnerabilities allow unauthenticated bypass of SSO login authentication via crafted SAML messages if the FortiCloud SSO feature is enabled. Fortinet has released patches for the flaws in FortiOS, FortiWeb,
