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 m

Severity
Medium 4.4
CVSS 3.1
Exploited
Not listed
EPSS
0.004
29.2th percentile
Discovered by
Not disclosed
Published
Apr 14, 2026
Assigned by fortinet

Description

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>

Weakness: CWE-190

Affected products

Vendor Product Category Matched by
Fortinet FortiWeb Web & Application Security cna-assigner
Vendor-reported affected versions (1)
  • Fortinet · FortiWeb

Vendor remediation

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