CVE-2026-26035
Critical
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
SeverityCritical
CVSS9.8
Exploit probability—
Product
Fortinet Fortiweb
PublishedAug 12, 2026
First seenAug 12, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- fortinet fortiweb7.2.13, 7.4.12, 7.6.7, 8.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortiweb | 7.2.0 ≤ v < 7.2.13, 7.4.0 ≤ v < 7.4.12, 7.6.0 ≤ v < 7.6.7, 8.0.0 ≤ v < 8.0.3 | 7.2.13, 7.4.12, 7.6.7, 8.0.3 |
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