CVE-2026-121526
CVSS Score
5.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-601 |
| Vendor | fortinet |
| Product | fortiauthenticator |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Nov 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Fortinet / FortiAuthenticator
8.0.0 ≤ 8.0.3 6.6.0 ≤ 6.6.10 6.5.0 ≤ 6.5.7