CVE-2026-39811: Integer Overflow
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>
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2026-39811?
CVE-2026-39811 is categorized as a high-severity vulnerability that can lead to denial of service.
How do I fix CVE-2026-39811?
To mitigate CVE-2026-39811, update Fortinet FortiWeb to the latest version available beyond 8.0.3 or apply the recommended patches.
What products are affected by CVE-2026-39811?
CVE-2026-39811 affects Fortinet FortiWeb versions 8.0.0 through 8.0.3, 7.6.0 through 7.6.6, as well as all versions of 7.4, 7.2, and 7.0.
What type of vulnerability is CVE-2026-39811?
CVE-2026-39811 is an integer overflow or wraparound vulnerability.
What can an attacker do with CVE-2026-39811?
An attacker can exploit CVE-2026-39811 to cause a denial of service on the affected Fortinet FortiWeb systems.