# CVE-2026-26035: An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb…

Source: https://junglewise.ai/threats/cve-2026-26035-an-improper-authentication-vulnerability-cwe-287-vulnerability-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-12  
License: CC BY 4.0 with a link back

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

Technologies: [Fortinet FortiWeb](https://junglewise.ai/threats/technologies/fortiweb). Vendors: [Fortinet](https://junglewise.ai/threats/vendors/fortinet).

## Quick answers

**Is CVE-2026-26035 exploited in the wild?** 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.

## Affected products

- Fortinet FortiWeb

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