CVE-2026-24858 Fortinet — Exploit & Vulnerability Details CRITICAL

Parameter	Value
CVSS	9.8 (CRITICAL)
Affected Versions	7.0.0 — 8.0.3
Fixed In	7.4.10
Type	CWE-288 (Authentication Bypass Using Alternate Path)
Vendor	Fortinet
Public PoC	Yes

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 all versions, FortiProxy 7.0 all versions, 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.

Attack Parameters

Attack Vector

Network

Can be exploited remotely

Attack Complexity

Low

Easy to exploit

Privileges Required

None

No privileges needed

User Interaction

None

No user interaction needed

Impact Assessment

Confidentiality

High

Complete data leak

Integrity

High

Complete data modification

Availability

High

Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-288 Authentication Bypass Using Alternate Path

Vulnerable Products 17

Configuration	From (including)	Up to (excluding)
Fortinet Fortianalyzer cpe:2.3:a:fortinet:fortianalyzer::::::::	`7.0.0`	`<= 7.0.15`
Fortinet Fortianalyzer cpe:2.3:a:fortinet:fortianalyzer::::::::	`7.2.0`	`<= 7.2.11`
Fortinet Fortianalyzer cpe:2.3:a:fortinet:fortianalyzer::::::::	`7.4.0`	`7.4.10`
Fortinet Fortianalyzer cpe:2.3:a:fortinet:fortianalyzer::::::::	`7.6.0`	`7.6.5`
Fortinet Fortimanager cpe:2.3:a:fortinet:fortimanager::::::::	`7.0.0`	`<= 7.0.15`
Fortinet Fortimanager cpe:2.3:a:fortinet:fortimanager::::::::	`7.2.0`	`<= 7.2.11`
Fortinet Fortimanager cpe:2.3:a:fortinet:fortimanager::::::::	`7.4.0`	`7.4.10`
Fortinet Fortimanager cpe:2.3:a:fortinet:fortimanager::::::::	`7.6.0`	`<= 7.6.5`
Fortinet Fortiproxy cpe:2.3:a:fortinet:fortiproxy::::::::	`7.0.0`	`<= 7.4.12`
Fortinet Fortiproxy cpe:2.3:a:fortinet:fortiproxy::::::::	`7.6.0`	`<= 7.6.4`
Fortinet Fortiweb cpe:2.3:a:fortinet:fortiweb::::::::	`7.4.0`	`<= 7.4.11`
Fortinet Fortiweb cpe:2.3:a:fortinet:fortiweb::::::::	`7.6.0`	`<= 7.6.6`
Fortinet Fortiweb cpe:2.3:a:fortinet:fortiweb::::::::	`8.0.0`	`<= 8.0.3`
Fortinet Fortios cpe:2.3:o:fortinet:fortios::::::::	`7.0.0`	`<= 7.0.18`
Fortinet Fortios cpe:2.3:o:fortinet:fortios::::::::	`7.2.0`	`<= 7.2.12`
Fortinet Fortios cpe:2.3:o:fortinet:fortios::::::::	`7.4.0`	`7.4.11`
Fortinet Fortios cpe:2.3:o:fortinet:fortios::::::::	`7.6.0`	`<= 7.6.5`