CVE-2026-39811

published 2026-04-14

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…

Priority P4 24 medium 4.9 CVSS 3.1

AV N AC L PR H UI N S U C N I N A H

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

Affected

9 ranges

Vendor	Product	Version range	Fixed in
fortinet	fortinet	—	—
fortinet	fortiweb	—	—
fortinet	fortiweb	7.0.0 – 7.0.13	—
fortinet	fortiweb	7.2.0 – 7.2.13	—
fortinet	fortiweb	7.4.0 – 7.4.12	—
fortinet	fortiweb	>= 7.6.0 < 7.6.7	7.6.7
fortinet	fortiweb	7.6.0 – 7.6.6	—
fortinet	fortiweb	>= 8.0.0 < 8.0.4	8.0.4
fortinet	fortiweb	8.0.0 – 8.0.3	—

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CWE-190