An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0.1 through 7.0.22 may allow an unauthenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Fortinet Fortiproxy | — | Upgrade to the latest version of FortiProxyUpgrade FortiProxy to 7.6.4Upgrade FortiProxy to 7.4.12 | Sep 30, 2026 | Oct 14, 2025 |
| Fortios | — | Upgrade FortiOS to 7.6.4 | Nov 7, 2025 | Oct 14, 2025 |
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