GUI Denial of Service
FG-IR-26-181
Summary
CVSSv3 Score:
3.1
An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] in FortiOS and FortiProxy captive portal may allow an attacker able to intercept and modify a user's authentication request to inject arbitrary headers via crafted HTTP requests.
Revised on 2026-07-14 00:00:00
Products covered
FortiOS
FortiProxy
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 1
Update history
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- Added CVEs: CVE-2025-62826.
Updates
- Published by Fortinet
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.