Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability
Fortinet FortiAnalyzer, FortiManager, FortiOS, and FortiProxy contain an authentication bypass using an alternate path or channel that could allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
For CVE-2026-24858, added to the catalogue on Jan 27, 2026 with a remediation deadline of Jan 30, 2026.
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