CVE-2026-40688

State: Published
Severity: 6.7 Medium
Published: Apr 14, 2026
Updated: Apr 16, 2026
Reserved: Apr 14, 2026

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	Score	Vector	Source
3.1	6.7 Medium	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	fortinet

Weaknesses

CWE-787 Execute unauthorized code or commands

Affected Products

Product	Versions
FortiWebFortinet	8.0.0 through 8.0.3Affected 7.6.0 through 7.6.6Affected 7.4.0 through 7.4.11Affected

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-127

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