CVE-2026-40688 MEDIUM

CVE-2026-40688

Vendor Fortinet
Product FortiWeb
Weakness CWE-787
Published April 14, 2026
Last update April 16, 2026
View on NVD All CVEs

CVSS base score

6.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 14, 2026 CVE published
April 16, 2026 Record updated