Attackers Exploit Critical Flaw in Cisco Catalyst SD-WAN Controller

A critical authentication bypass flaw, CVE-2026-20182, in Cisco Catalyst SD-WAN Controllers is already being actively exploited. Assigned a maximum severity score of 10, this vulnerability allows attackers to bypass login checks and obtain administrative access. Although Cisco released patches and an advisory on Thursday, the Cybersecurity and Infrastructure Security Agency (CISA) has immediately added the …