Cisco has disclosed a critical authentication bypass vulnerability in the Catalyst SD-WAN Manager, which could allow unauthenticated remote attackers to access the management API with administrator privileges. This vulnerability, tracked as CVE-2026-76504, has a CVSS v3.1 score of 9.8 and affects the Cisco Catalyst SD-WAN Manager regardless of its configuration. On September 30, 2026, Cisco […] The post Critical Cisco SD-WAN Vulnerability Lets Remote Attackers Bypass Authentication as Admin appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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