FortiWeb 7.28.0.2 Improper Auth: Remote Unauth GUI/CLI Login
CVE-2026-26035 Published on August 12, 2026
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
Vulnerability Analysis
CVE-2026-26035 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2026-26035 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2026-26035
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Affected Versions
Fortinet FortiWeb:- Version 8.0.0, <= 8.0.2 is affected.
- Version 7.6.0, <= 7.6.6 is affected.
- Version 7.4.0, <= 7.4.11 is affected.
- Version 7.2.0, <= 7.2.12 is affected.
- Version 7.0.0, <= 7.0.12 is affected.