CVE-2026-40688

Published Apr 14, 2026

Last updated 2 months ago

Overview

Description
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.
Source
psirt@fortinet.com
NVD status
Analyzed
Products
fortiweb

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.2
Impact score
5.9
Exploitability score
1.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

psirt@fortinet.com
CWE-787

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.