Cisco Patches Critical ISE Authentication Bypass Vulnerability
Cisco released software updates fixing a critical authentication bypass in Cisco Identity Services Engine (ISE). The flaw, CVE-2026-76460, stems from insufficient authentication control on an API endpoint, letting an unauthenticated remote attacker send a crafted request to bypass the web-based management interface and gain unauthorized access. No workarounds exist.
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Summary last validated Sep 16, 2026
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