CVE-2026-126161 · Vendor
NO FIX YET · SEE WHAT TO DO
FortiMail 8.0.0 through 8.0.1, 7.6.0 through 7.6.6 and 7.4.0 through 7.4.6 have an uncontrolled resource consumption flaw. A remote attacker without credentials can send repeated unauthenticated POST requests to make the service unavailable.
first public Nov 11, 2026 · 1 source
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FortiMail appliances or virtual machines in the affected version ranges that are reachable from the internet or from untrusted networks. Deployments on unaffected versions can skip it. The sources do not say whether specific configurations change exposure.
Not affected if unaffected-version
Who cares email-security, fortimail, fortinet
8.0.0 to 8.0.1, 7.6.0 to 7.6.6, 7.4.0 to 7.4.6.A uncontrolled resource consumption vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.6 may allow a remote unauthenticated attacker to cause a denial of service via repeated unauthenticated POST requests.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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