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

The Hacker News · Thursday, 1 October 2026 at 10:33 (2h ago) · Original article ↗

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

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