PSIRT | FortiGuard Labs (original) (raw)

API authentication and authorization bypass

Version Affected Solution
FortiClientEMS 7.4 7.4.5 through 7.4.6 Upgrade to upcoming 7.4.7 or above
FortiClientEMS 7.2 Not affected Not Applicable

Fortinet remediated this issue in FortiClient Cloud and hence customers do not need to perform any action.
Fortinet remediated this issue in FortiSASE and hence customers do not need to perform any action.

Acknowledgement

Fortinet is pleased to thank Simo Kohonen from Defused and Nguyen Duc Anh for reporting this vulnerability under responsible disclosure.

Timeline

2026-04-04: Initial publication