CVE-2026-40688

No fix known EPSS 6%CVSS 6.7

An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow a remote privileged attacker to execute arbitrary code or command via crafted HTTP requests.

Published 2026-04-14 · CVE record · OSV

Products: Fortinet FortiWeb