A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an unauthenticated attacker to perform a slow HTTP DoS attack on the web interface via crafted HTTP requests.
https://fortiguard.fortinet.com/psirt/FG-IR-26-162
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-57189
https://cert-portal.siemens.com/productcert/html/ssa-127084.html