Protected hostname bypass

Summary

An authentication bypass by spoofing [CWE-290] vulnerability in FortiWeb protected hostname feature may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.

Version Affected Solution
FortiWeb 8.0 Not affected Not Applicable
FortiWeb 7.6 7.6.0 through 7.6.3 Upgrade to 7.6.4 or above
FortiWeb 7.4 7.4.0 through 7.4.8 Upgrade to 7.4.9 or above
FortiWeb 7.2 7.2 all versions Migrate to a fixed release
FortiWeb 7.0 7.0 all versions Migrate to a fixed release

Timeline

2026-03-10: Initial publication