An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an attacker able to intercept and modify a user's captive portal authentication request to inject arbitrary headers via crafted HTTP requests.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Fortinet Fortiproxy | — | Upgrade FortiProxy to 7.6.5Upgrade to the latest version of FortiProxy | Sep 30, 2026 | Jul 14, 2026 |
| Fortios | — | Upgrade to the latest version of FortiOSUpgrade FortiOS to 7.6.5 | Jul 20, 2026 | Jul 14, 2026 |
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