CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2026-121526 fortinet fortiauthenticator: Open Redirect
Medium (6.1) in fortinet fortiauthenticator. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
On this page
A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform an open redirect attack via crafted HTTP requests.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 19th 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: partial, 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-601 URL Redirection to Untrusted Site (Open Redirect)
- OWASP Top 10
- A01:2025 Broken Access Control
- Published
- Modified
- Assigned by
- fortinet (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Fortinet FortiAuthenticator | from 8.0.0 through 8.0.3 |
| Fortinet FortiAuthenticator | from 6.6.0 through 6.6.10 |
| Fortinet FortiAuthenticator | from 6.5.0 through 6.5.7 |
Attack patterns (CAPEC)
- CAPEC-178 Cross-Site Flashing Likelihood: Medium · Severity: Medium
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.
History
- Score 5.8 → 6.1 medium
Changes since this site first stored the record. The same for every record: /api/public/changes.