🛡️ CVE-2026-24858 — fortianalyzer

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-288 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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, FortiNAC-F 7.6.3 through 7.6.5, 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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-24858 is classified as CWE-288: Authentication Bypass Using an Alternate Path. A secondary route into the application skips the authentication that the primary route enforces.

Affected software

CVE-2026-24858 is recorded against 7 packages.

  • fortianalyzer (from 7.6.0 up to 7.6.6)
  • fortimanager (from 7.6.0 up to 7.6.6)
  • fortinac-f (from 7.6.3 up to 7.6.6)
  • fortios (from 7.6.0 up to 7.6.6)
  • fortiproxy (from 7.6.0 up to 7.6.4)
  • fortiweb (from 8.0.0 up to 8.0.3)
  • ruggedcom-ape1808-firmware

Timeline and source

Published on 27 January 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

fortiguard.fortinet.com
cert-portal.siemens.com
www.cisa.gov
www.fortinet.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-288
Public Exploit ✅ No
Source NVD
Published 2026-01-27
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
fortianalyzer 7.6.0 7.6.6
fortimanager 7.6.0 7.6.6
fortinac-f 7.6.3 7.6.6
fortios 7.6.0 7.6.6
fortiproxy 7.6.0 7.6.4
fortiweb 8.0.0 8.0.3
ruggedcom-ape1808-firmware — —

Similar Threats

Exploit Protection

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