vulnerability
Fortinet FortiOS: CVE-2026-24858: Authentication Bypass Using an Alternate Path or Channel Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Jan 27, 2026 | Feb 2, 2026 | Feb 3, 2026 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 27, 2026
Added
Feb 2, 2026
Modified
Feb 3, 2026
Description
An Authentication Bypass Using an Alternate Path or Channel vulnerability in FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18, may 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.
Solution
fortios-upgrade-latest
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