CVE-2026-24858

⚠ KEVEPSS 3.9%

Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability

Added to CISA KEV: 1/27/2026

Description

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.

Affected packages (0)

No package mapping in OSV.