CVE-2026-26035

critical · 9.8

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

9.8

CVSS

0.8%

EPSS (exploit prob.)

53rd

EPSS percentile

2026-08-12

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-287

Affected products

Vendor	Product	Affected versions
fortinet	fortiweb	>= 7.2.0, < 7.2.13
fortinet	fortiweb	>= 7.4.0, < 7.4.12
fortinet	fortiweb	>= 7.6.0, < 7.6.7
fortinet	fortiweb	>= 8.0.0, < 8.0.3

Check a specific version with /api/v1/cve/match.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-158

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-26035