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CVE Vulnerability Details :
CVE-2026-39811
PUBLISHED
More InfoOfficial Page
Assigner-fortinet
Assigner Org ID-6abe59d8-c742-4dff-8ce8-9b0ca1073da8
View Known Exploited Vulnerability (KEV) details
Published At-14 Apr, 2026 | 15:38
Updated At-14 Apr, 2026 | 16:46
Rejected At-
▼CVE Numbering Authority (CNA)

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 Products
Vendor
Fortinet, Inc.Fortinet
Product
FortiWeb
CPEs
  • cpe:2.3:a:fortinet:fortiweb:8.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:8.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:8.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:8.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.6:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.5:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.4:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.12:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.11:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.10:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.9:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.12:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.11:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.12:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.10:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*
Default Status
unaffected
Versions
Affected
  • From 8.0.0 through 8.0.3 (semver)
  • From 7.6.0 through 7.6.6 (semver)
  • From 7.4.0 through 7.4.12 (semver)
  • From 7.2.0 through 7.2.12 (semver)
  • From 7.0.0 through 7.0.12 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-190Denial of service
Type: CWE
CWE ID: CWE-190
Description: Denial of service
Metrics
VersionBase scoreBase severityVector
3.14.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Version: 3.1
Base score: 4.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

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

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://fortiguard.fortinet.com/psirt/FG-IR-26-108
N/A
Hyperlink: https://fortiguard.fortinet.com/psirt/FG-IR-26-108
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found