#VU125995 Integer overflow in FortiWeb - CVE-2026-39811

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Main Vulnerability Database Vulnerabilities #VU125995

#VU125995 Integer overflow in FortiWeb - CVE-2026-39811

Published: April 14, 2026


Vulnerability identifier: #VU125995
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-39811
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiWeb
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in administrative interface. A privileged authenticated attacker can perform a denial of service of the system via crafted HTTP requests.


Remediation

Install update from vendor's website.

External links