Fortinet Multiple Products: Multiple Products Improper Verification of Cryptographic Signature Vulnerability ยท updates https://pwn.watch/i/fortinet-multiple-products-cve-2025-59718 Fortinet FortiOS, FortiSwitchMaster, FortiProxy, and FortiWeb contain an improper verification of cryptographic signature vulnerability that may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML message. Please be aware that CVE-2025-59719 pertains to the same problem and is mentioned in the same vendor advisory. Ensure to apply all patches mentioned in the advisory. Added to CISA KEV on 2025-12-16. en Tue, 16 Dec 2025 00:00:00 GMT Fortinet Multiple Products: Multiple Products Improper Verification of Cryptographic Signature Vulnerability: CISA added CVE-2025-59718 to the KEV catalog (due 2025-12-23). https://pwn.watch/i/fortinet-multiple-products-cve-2025-59718 https://pwn.watch/i/fortinet-multiple-products-cve-2025-59718#2025-12-16-3e836766 Tue, 16 Dec 2025 00:00:00 GMT critical <p>Fortinet Multiple Products: Multiple Products Improper Verification of Cryptographic Signature Vulnerability: CISA added CVE-2025-59718 to the KEV catalog (due 2025-12-23).</p>