CVE-2026-20127 – Cisco SD-WAN Auth Bypass

This vulnerability affects Cisco SD-WAN components and lets attackers bypass authentication in certain controller setups.

Exploit code and research show how trust between SD-WAN peers can be abused to gain admin-level access.

Public PoCs / references:

• https://github.com/search?q=CVE-2026-20127
• https://www.penligent.ai/hackinglabs/cve-2026-20127-poc-exploit-released-for-cisco-sd-wan-zero-day-actively-exploited-in-the-wild/