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Cisco Fixes Dozens of Flaws Across FMC, ISE and Nexus Dashboard

Cisco released patches for critical vulnerabilities across FMC, ISE, and Nexus Dashboard including SQL injection, authentication bypass, and remote code execution. Some flaws are already exploited in the wild as zero-days. Any organization running these management platforms is at immediate risk of compromise.

CRITICALAdvisorySep 18, 2026
Action required
Inventory all Cisco FMC, ISE, and Nexus Dashboard instances in your environment immediately. Prioritize patching these systems today. Monitor for suspicious activity including failed authentication attempts, SQL errors, and unexpected command execution on these management consoles.
Affected products
Secure Firewall Management CenterIdentity Services EngineNexus DashboardSecure Firewall Adaptive Security ApplianceSecure Firewall Threat Defense
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