CVSS 3.1
7.5 highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2026-126232 fortinet: Improper Certificate Validation
High (7.5) in fortinet. EPSS 0.1% estimated probability of exploitation activity in the next 30 days.
On this page
A improper certificate validation vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer 7.2 all versions, FortiAnalyzer Cloud 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiAnalyzer Cloud 7.2 all versions, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2 all versions, FortiManager Cloud 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2 all versions may allow a MITM attacker to impersonate the radius server via a rogue RADIUS server.
Severity
- EPSS
- 0.1% estimated probability of exploitation activity in the next 30 days; 1st percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-12. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-295 Improper Certificate Validation
- OWASP Top 10
- A07:2025 Authentication Failures
- Published
- Modified
- Assigned by
- fortinet (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
- fortinet:fortianalyzer
- fortinet:fortianalyzer cloud
- fortinet:fortimanager
- fortinet:fortimanager cloud
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Fortinet FortiManager | from 8.0.0 through 8.0.1 |
| Fortinet FortiManager | from 7.6.0 through 7.6.7 |
| Fortinet FortiManager | from 7.4.0 through 7.4.11 |
| Fortinet FortiManager | from 7.2.0 through 7.2.13 |
| Fortinet FortiAnalyzer | from 8.0.0 through 8.0.1 |
| Fortinet FortiAnalyzer | from 7.6.0 through 7.6.7 |
| Fortinet FortiAnalyzer | from 7.4.0 through 7.4.11 |
| Fortinet FortiAnalyzer | from 7.2.0 through 7.2.13 |
| Fortinet FortiAnalyzer Cloud | 8.0.1 |
| Fortinet FortiAnalyzer Cloud | from 7.6.0 through 7.6.7 |
| Fortinet FortiAnalyzer Cloud | from 7.4.1 through 7.4.11 |
| Fortinet FortiAnalyzer Cloud | from 7.2.1 through 7.2.13 |
| Fortinet FortiManager Cloud | 8.0.1 |
| Fortinet FortiManager Cloud | from 7.6.0 through 7.6.7 |
| Fortinet FortiManager Cloud | from 7.4.1 through 7.4.11 |
| Fortinet FortiManager Cloud | from 7.2.1 through 7.2.13 |
Attack patterns (CAPEC)
- CAPEC-459 Creating a Rogue Certification Authority Certificate Likelihood: Medium · Severity: Very High
- CAPEC-475 Signature Spoofing by Improper Validation Likelihood: Low · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.