CISA Adds Critical Cisco Catalyst SD-WAN Manager Vulnerability to Known Exploited Vulnerabilities Catalog

CISA added a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities catalog on Wednesday following reports of active exploitation. The vulnerability is tracked as CVE-2026-76504 with a CVSS score of 9.8. The flaw could allow an unauthenticated, remote attacker to access an affected system.