CVE-2026-23573: Fortinet FortiOS

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.8.0, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.3, FortiProxy 7.2.0 through 7.2.9 may allow an authenticated remote user to execute code or commands via crafted requests.

Affected products

• Fortinet FortiOS: from 7.2.0, before 7.6.7 (fixed in 7.6.7)
• Fortinet Fortipam: from 1.0.0, before 1.8.1 (fixed in 1.8.1)
• Fortinet FortiProxy: from 7.2.0, before 7.2.10 (fixed in 7.2.10); from 7.4.0, before 7.4.4 (fixed in 7.4.4)

Published 2026-07-14. Last modified 2026-08-11.