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Critical severity9.8CISA KEVNVD Advisory· Published Jan 27, 2026· Updated Jun 9, 2026

CVE-2026-24858

CVE-2026-24858

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

18
  • Fortinet/Fortianalyzer3 versions
    cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*range: >=7.0.0,<=7.0.15
    • cpe:2.3:o:fortinet:fortianalyzer:7.6.5:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0 through 7.6.5, 7.4.0 through 7.4.9, 7.2.0 through 7.2.11, 7.0.0 through 7.0.15
  • Fortinet/Fortimanager3 versions
    cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*range: >=7.0.0,<=7.0.15
    • cpe:2.3:o:fortinet:fortimanager:7.6.5:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0 through 7.6.5, 7.4.0 through 7.4.9, 7.2.0 through 7.2.11, 7.0.0 through 7.0.15
  • Fortinet/Fortinac F2 versions
    cpe:2.3:a:fortinet:fortinac-f:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:fortinet:fortinac-f:*:*:*:*:*:*:*:*range: >=7.6.3,<7.6.6
    • (no CPE)range: 7.6.3 through 7.6.5
  • Fortinet/Fortiproxy3 versions
    cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*range: >=7.0.0,<=7.0.22
    • cpe:2.3:a:fortinet:fortiproxy:7.6.4:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0 through 7.6.4, 7.4.0 through 7.4.12, 7.2.0 through 7.2.15, 7.0.0 through 7.0.22
  • Fortinet/Fortiweb3 versions
    cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*range: >=7.4.0,<=7.4.11
    • cpe:2.3:a:fortinet:fortiweb:8.0.3:*:*:*:*:*:*:*range: 8.0.0
    • (no CPE)range: 8.0.0 through 8.0.3, 7.6.0 through 7.6.6, 7.4.0 through 7.4.11
  • Fortinet/Fortios3 versions
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*range: >=7.0.0,<=7.0.18
    • cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0 through 7.6.5, 7.4.0 through 7.4.10, 7.2.0 through 7.2.12, 7.0.0 through 7.0.18
  • Siemens Foundation/Ruggedcom Ape1808 Firmware
    cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

4

News mentions

3