Fortinet FortiGate Under Active Attack Through SAML SSO Authentication Bypass
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-59718 | Critical FortiCloud SSO Authentication Bypass in Fortinet FortiOS and FortiProxy | 9.8 | 68% | KEV | KEV |
| CVE-2025-59719 | Unauthenticated SAML Signature Bypass in Fortinet FortiWeb (FortiCloud SSO) | 9.8 | 29% |
From the original article
2 min read at thehackernews.com
Ravie Lakshmanan Dec 16, 2025 Network Security / Vulnerability Threat actors have begun to exploit two newly disclosed security flaws in Fortinet FortiGate devices, less than a week after public disclosure. Cybersecurity company Arctic Wolf said it observed active intrusions involving malicious single sign-on (SSO) logins on FortiGate appliances on December 12, 2025.
By @TheHackersNews · thehackernews.com
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