Disclosure summary
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.
CISA remediation guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Original records & references
PUBLISHED 2026-01-27T00:00:00-05:00
MODIFIED 2026-01-27T00:00:00-05:00
INGESTED 2026-10-06T11:42:57-04:00