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.

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Advisories

No advisories yet.

Fixes

Solution

Upgrade to FortiWeb version 8.0.4 or above Upgrade to FortiWeb version 7.6.7 or above Upgrade to FortiWeb version 7.4.12 or above


Workaround

No workaround given by the vendor.

History

Wed, 15 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 15 Apr 2026 14:45:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write Allowing Remote Code Execution in Fortinet FortiWeb

Wed, 15 Apr 2026 09:00:00 +0000

Type Values Removed Values Added
Description A out-of-bounds write 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 attacker to execute unauthorized code or commands via <insert attack vector here> 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.

Tue, 14 Apr 2026 23:00:00 +0000

Type Values Removed Values Added
Description A out-of-bounds write 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 attacker to execute unauthorized code or commands via <insert attack vector here>
First Time appeared Fortinet
Fortinet fortiweb
Weaknesses CWE-787
CPEs cpe:2.3:a:fortinet:fortiweb:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.10:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.11:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.4.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:7.6.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:8.0.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiweb:8.0.3:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortiweb
References
Metrics cvssV3_1

{'score': 6.7, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-04-16T03:55:18.342Z

Reserved: 2026-04-14T22:32:07.399Z

Link: CVE-2026-40688

cve-icon Vulnrichment

Updated: 2026-04-15T16:12:13.048Z

cve-icon NVD

Status : Received

Published: 2026-04-14T23:16:29.633

Modified: 2026-04-15T09:16:32.413

Link: CVE-2026-40688

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-15T14:31:57Z

Weaknesses