CVE-2026-24858
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, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 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.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.4
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
- EPSS probability
- 86.09%
- CISA KEV
- Known exploited vulnerability
- CWE
- CWE-288
- Published
- 2026-01-27
- Last modified
- 2026-06-09
Affected products
- Fortinet FortiProxy
- Fortinet FortiManager
- Fortinet FortiManager
- Fortinet FortiManager
- Fortinet FortiManager
- Fortinet FortiOS
- Fortinet FortiOS
- Fortinet FortiOS
Weakness type
Related vulnerabilities
- CVE-2026-81796 — WordPress WP Travel plugin <= 12.0.3 - Broken Authentication vulnerability
- CVE-2026-81787 — WordPress IMPress for IDX Broker plugin <= 3.3.0 - Broken Authentication vulnerability
- CVE-2026-81783 — WordPress MailMunch – Grow your Email List plugin <= 3.2.5 - Broken Authentication vulnerability
- CVE-2026-88861 — Capgo AAL1 Session MFA Bypass via Direct RBAC Authorization
- CVE-2026-86084 — n8n: Disabled OIDC SSO Endpoints Remain Active and Issue Valid Sessions
- CVE-2026-83527 — An Authentication Bypass vulnerability in Sentry before R10.8.2, R10.7.3 and R10.6.4 allows a...
- CVE-2026-62650 — A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). Server-side...
- CVE-2026-76169 — fastify vulnerable to authentication bypass via malformed URLs reaching encapsulated not-found handlers