Security Advisory

CVE-2026-55400

6.5
MEDIUM

Vulnerability Description

CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57. Attackers with an authenticated session can send specially crafted traffic to a server in a non-default configuration and cause a persistent denial of service.
Published Date August 13, 2026
Official Source NIST NVD Advisory