CISA Warns of FortiCloud SSO Authentication Bypass Vulnerability Exploited in Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning about a critical authentication bypass vulnerability in multiple Fortinet products, actively exploited in the wild. Tracked as CVE-2026-24858, the flaw allows attackers with a FortiCloud account to hijack sessions on devices registered to other accounts when FortiCloud Single Sign-On (SSO) is enabled. First […]

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