Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.
https://thehackernews.com/2026/10/critical-fortimail-zero-day-flaw.html
https://www.securityweek.com/check-point-patches-exploited-management-server-zero-day/
https://www.helpnetsecurity.com/2026/09/23/check-point-f5-big-ip-apm-zero-days-targeted/
Published: 2026-09-09
Updated: 2026-09-23
Known Exploited Vulnerability (KEV)
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00329
Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.
Vulnerability Being Monitored