CVE-2026-39811

A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow attacker to denial of service via <insert attack vector here>

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-26-108	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::

History

21 Apr 2026, 17:16

Type	Values Removed	Values Added
References	~~() https://fortiguard.fortinet.com/psirt/FG-IR-26-108 -~~	() https://fortiguard.fortinet.com/psirt/FG-IR-26-108 - Vendor Advisory
First Time		Fortinet Fortinet fortiweb
CPE		cpe:2.3:a:fortinet:fortiweb::::::::

14 Apr 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-14 16:16

Updated : 2026-04-21 17:16

NVD link : CVE-2026-39811

Mitre link : CVE-2026-39811

CVE.ORG link : CVE-2026-39811

JSON object : View

Products Affected

fortinet

fortiweb

CWE

CWE-190

Integer Overflow or Wraparound

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