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

When

2026-01-27 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

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.

Sources

• CISA ↗ · first seen 2026-01-27 00:00 UTC

Defaxon links out to the original reporting and never republishes article text.

Correlated events

Computed by the Defaxon correlation engine — linked by shared actors, co-location, and temporal proximity. Scored hypotheses, never causal claims.

No correlated events found in the current window. As more events arrive, connections form automatically.

← Back to the live map