CVE-2026-126232: Improper certificate validation in RADIUS protocol
Published Nov 10, 2026
·Updated
An Improper Certificate Validation vulnerability [CWE-295] in FortiSASE Sovereign, FortiManager, Fortianalyzer, FortiManager Cloud and FortiAnalyzer Cloud RADIUS protocol may allow a MITM attacker to impersonate the radius server via a rogue RADIUS server.
Affected Software
20 affected componentsFixes available
Fortinet FortiAnalyzer>=8.0.0<=8.0.1
Fortinet FortiAnalyzer>=7.6.0<=7.6.7
Fortinet FortiAnalyzer>=7.4.0<=7.4.11
Fortinet FortiAnalyzer>=7.2
Fortinet FortiAnalyzer Cloud=.
Fortinet FortiAnalyzer Cloud>=7.6.0<=7.6.7
Fortinet FortiAnalyzer Cloud>=7.4.1<=7.4.11
Fortinet FortiAnalyzer Cloud>=7.2
Fortinet FortiManager>=8.0.0<=8.0.1
Fortinet FortiManager>=7.6.0<=7.6.7
Fortinet FortiManager>=7.4.0<=7.4.11
Fortinet FortiManager>=7.2
Fortinet FortiManager Cloud=.
Fortinet FortiManager Cloud>=7.6.0<=7.6.7
Fortinet FortiManager Cloud>=7.4.1<=7.4.11
Fortinet FortiManager Cloud>=7.2
Fortinet FortiSASE-Sovereign>=26.2
Fortinet FortiSASE-Sovereign>=25.4
Fortinet FortiSASE-Sovereign>=25.3
Fortinet FortiSASE-Sovereign>=25
Event History
Nov 10, 2026
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software