FortiWeb
CVE-2026-26035: Improper Authentication in FortiWeb
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
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiWeb 8.0.0 to 8.0.2 | 8.0.3 or later |
| FortiWeb 7.6.0 to 7.6.6 | 7.6.7 or later |
| FortiWeb 7.4.0 to 7.4.11 | 7.4.12 or later |
| FortiWeb 7.2.0 to 7.2.12 | 7.2.13 (upcoming) or later |
| FortiWeb 7.0.0 to 7.0.12 | 7.0.13 (upcoming) or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.