CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV

Reported by The Hacker News (info@thehackernews.com (The Hacker News))

Summary by Cyber Security News1 Oct 2026, 12:33 CEST

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities (KEV), following reports of active exploitation. The vulnerability, tracked as CVE-2026-76504 (CVSS score: 9.8), could allow an unauthenticated, remote attacker to access an affected system with

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