CVE-2025-62826
Low
Description
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.
SeverityLow
CVSS3.1
Exploit probability—
Product
Fortinet Fortiproxy
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-113CWE-113
How to fix
Update
- fortinet fortiproxy7.6.5 or later
- fortinet fortios7.6.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortiproxy | 7.2.0 ≤ v < 7.6.5 | 7.6.5 |
| fortinet fortios | 7.2.0 ≤ v < 7.6.5 | 7.6.5 |
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