CVE-2026-40688

HIGH

Fortinet FortiWeb < 8.0.3 - Out-of-Bounds Access

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 7.2
EPSS 0.0018
EPSS Percentile 38.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (4)
Fortinet/FortiWeb 7.4.0 - 7.4.11
fortinet/fortiweb 7.4.0 - 7.4.12
Fortinet/FortiWeb 7.6.0 - 7.6.6
Fortinet/FortiWeb 8.0.0 - 8.0.3
Published Apr 14, 2026
Tracked Since Apr 15, 2026