Cisco has released updates to address a maximum-severity authentication bypass flaw in Catalyst SD-WAN Controller that it said has been exploited in limited attacks.
The vulnerability, tracked as CVE-2026-20182, carries a CVSS score of 10.0.
"A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/05/cisco-catalyst-sd-wan-controller-auth.html