Critical Vulnerability in Cisco Catalyst SD-WAN Manager (CVE-2026-76504) Actively Exploited

Cisco has released security updates to address a critical vulnerability (CVE-2026-76504) in its Catalyst SD-WAN Manager, which is reportedly being actively exploited. The flaw, with a CVSS score of 9.8, allows unauthenticated remote attackers to bypass authentication and gain administrative access due to improper handling of URI encoding in HTTP requests. Users are urged to patch immediately.