CVE-2026-26035: An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb…
CVE-2026-26035 · Severity: critical · CVSS 9.8 · Published 2026-08-12
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
No. Junglewise Threat Intelligence has no report of CVE-2026-26035 being exploited in the wild.
How severe is CVE-2026-26035?
Critical severity, with a CVSS score of 9.8, published 12 August 2026.
Which products and versions are affected?
Fortinet FortiWeb. The advisory does not name versions.
Is there a fix for CVE-2026-26035?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-26035?
Check whether you run Fortinet FortiWeb. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.