Cisco Secure Firewall Management Vulnerability Allow Attackers to Bypass Authentication

**Cisco Secure Firewall Management Center critical vulnerability (CVE-2026-20079):** A severe authentication bypass in Cisco Secure FMC allows unauthenticated attackers to send crafted HTTP requests to the device web interface, execute scripts and system commands, and gain root-level control; Cisco advises immediate upgrades to fixed software versions and notes no known active exploitation at the time of the advisory.