Cisco NX-OS (Nexus) vulnerabilities

9 advisories, 1 actively exploited. Last update: October 8, 2026.

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CVE-2026-76471October 8, 2026Critical 9.8
Cisco NX-OS Software NX-API Remote Code Execution Vulnerability
CVE-2026-76455 +13October 7, 2026Critical 9.8
Cisco Advance Notification for Publication of October 7, 2026, Security Advisories
CVE-2026-76465October 7, 2026Critical 9.8
Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability
CVE-2026-76485 +2October 7, 2026Critical 9.8
Cisco Nexus 3000 and 9000 Series Switches NGOAM Remote Code Execution Vulnerabilities
CVE-2026-76453 +5October 7, 2026Critical 9.8
Cisco NX-OS Software Security Hardening Release: October 2026
CVE-2026-20038October 7, 2026Medium 5.8
Cisco Nexus 9000 Series Fabric Switches in ACI Mode Endpoint Group Contract Bypass Vulnerability
CVE-2026-20173October 7, 2026Medium 5.8
Cisco NX-OS Software Control Plane Denial of Service Vulnerability
CVE-2026-20032October 7, 2026Medium 4.4
Cisco NX-OS Software Python Sandbox Escape Vulnerability
CVE-2024-20399July 2, 2024Medium 6Exploited
Cisco NX-OS Command Injection Vulnerability