CVE-2026-26035

An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, F

Severity
High 8.8
CVSS 3.1
Exploited
Not listed
EPSS
0.005
41.5th percentile
Discovered by
Vendor
Vendor advisory field
Published
Aug 12, 2026
Assigned by fortinet

Description

An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow a remote unauthenticated attacker to login into the Fortiweb GUI/CLI with a random username and password

Weakness: CWE-287

Affected products

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

Credit

Internally discovered as part of a Fortinet audit.

Vendor remediation

Upgrade to FortiWeb version 8.0.3 or above Upgrade to FortiWeb version 7.6.7 or above Upgrade to FortiWeb version 7.4.12 or above Upgrade to upcoming FortiWeb version 7.2.13 or above Upgrade to upcoming FortiWeb version 7.0.13 or above

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