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Description

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, 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.

PUBLISHED Reserved 2026-01-27 | Published 2026-01-27 | Updated 2026-01-28 | Assigner fortinet




CRITICAL: 9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

Problem types

Improper access control

Product status

Default status
unaffected

7.6.0 (semver)
affected

7.4.0 (semver)
affected

7.2.0 (semver)
affected

7.0.0 (semver)
affected

Default status
unaffected

7.6.0 (semver)
affected

7.4.0 (semver)
affected

7.2.0 (semver)
affected

7.0.0 (semver)
affected

Default status
unaffected

7.6.0 (semver)
affected

7.4.0 (semver)
affected

7.2.0 (semver)
affected

7.0.0 (semver)
affected

References

www.cisa.gov/...erabilities-catalog?field_cve=CVE-2026-24858 government-resource

www.fortinet.com/...t-blogs/analysis-of-sso-abuse-on-fortios vendor-advisory

fortiguard.fortinet.com/psirt/FG-IR-26-060

cve.org (CVE-2026-24858)

nvd.nist.gov (CVE-2026-24858)

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