Cisco PSIRT

Cisco Identity Services Engine Authorization Bypass Vulnerability

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability

Cisco Advance Notification for Publication of November 4, 2026, Security Advisories

Vulnerabilities in Node.js and Brotli Affecting Cisco Products: October 2026

Cisco Informational for Emergency Distrust of eMudhra Root and Intermediate Certificate Authorities

Vulnerabilities in PHP Affecting Cisco Products: October 2026

Cisco Expressway Series Security Hardening Release: October 2026

Cisco Unified Communications Products Security Hardening Release: October 2026

Multiple Cisco Products Snort 3 Security Hardening Release: October 2026

Multiple Cisco Products Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability

Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerability

Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities

Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability

Multiple Cisco Products Snort 3 Denial of Service Vulnerability

Cisco Secure Client Secure Firewall Posture Module Privilege Escalation Vulnerability

Open Source Snort 3 Control Channel Socket Arbitrary Command Execution Vulnerability

Cisco Expressway Series Information Disclosure Vulnerability

Cisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service Vulnerability

Cisco Unified Communications Manager Improper Access Control Vulnerability

Cisco Expressway Series Remote Code Execution Vulnerability

Cisco Advance Notification for Publication of October 21, 2026, Security Advisories

Cisco Secure Email Gateway Arbitrary File Write Vulnerability

Cisco Meraki Security Hardening Release: October 2026

Cisco NX-OS Software Security Hardening Release: October 2026

Cisco Finesse Server-Side Request Forgery Vulnerability

Cisco License (Smart Software Manager) On-Prem Security Hardening Release: October 2026

Cisco Application Policy Infrastructure Controller API Command Injection Vulnerability

Cisco Application Policy Infrastructure Controller Unauthorized File Access Vulnerability

Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability

Cisco Nexus 9000 Series Fabric Switches in ACI Mode Endpoint Group Contract Bypass Vulnerability

Cisco Application Policy Infrastructure Controller Security Hardening Release: October 2026

Cisco Nexus 3000 and 9000 Series Switches NGOAM Remote Code Execution Vulnerabilities

Cisco NX-OS Software Python Sandbox Escape Vulnerability

Cisco NX-OS Software NX-API Remote Code Execution Vulnerability

Cisco NX-OS Software Control Plane Denial of Service Vulnerability

Cisco License (Smart Software Manager) On-Prem Vulnerabilities

Cisco Advance Notification for Publication of October 7, 2026, Security Advisories

Cisco Catalyst SD-WAN Manager API Authentication Bypass Vulnerability

Cisco Identity Services Engine Authenticated Remote Code Execution and API Vulnerabilities

Cisco Identity Services Engine Vulnerabilities

Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: September 2026

Cisco Identity Services Engine Command Injection Vulnerabilities

Cisco Secure Firewall Management Center Software Vulnerabilities

Cisco Secure Firewall Management Center Software sftunnel Root Arbitrary Code Execution Vulnerability

Cisco Identity Services Engine Hardening Release: September 2026

Cisco Secure Firewall Management Center Software Vulnerabilities

Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Execution Vulnerability

Cisco BroadWorks CommPilot Application Software Authorization Bypass Vulnerability

Cisco Identity Services Engine Authorization Bypass Vulnerabilities

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Object Group Access Control List Bypass Vulnerabilities

Cisco Identity Services Engine Multiple Path Traversal Vulnerabilities

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

Cisco Identity Services Engine Information Disclosure Vulnerability

Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability

Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability

Cisco Identity Services Engine SQL and HQL Injection Vulnerabilities

Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability

Cisco Identity Services Engine Authentication Bypass Vulnerabilities

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

Cisco Secure Firewall Threat Defense Software TLS 1.3 Denial of Service Vulnerability

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Logging Denial of Service Vulnerability

Cisco Identity Services Engine SQL Injection Vulnerabilities

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability

Cisco Identity Services Engine RADIUS Denial of Service Vulnerability

Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Vulnerabilities

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability

Cisco Nexus Dashboard Software Security Hardening Release: September 2026

Cisco Identity Services Engine Authentication Bypass Vulnerability

Cisco Identity Services Engine Remote Code Execution Vulnerabilities

Cisco Secure Email Gateway SQL Injection Vulnerability

Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026

Cisco Advance Notification for Publication of September 16, 2026, Security Advisories

Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability

Cisco Secure Email Secure/Multipurpose Internet Mail Extensions Ciphertext Decryption Vulnerabilities

Cisco IOS XR Software Security Hardening Release: September 2026

Cisco Nexus 9000 Series Switches Silicon One Remote Code Execution Vulnerability

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vulnerability

Cisco Advance Notification for Publication of September 2, 2026, Security Advisories

Cisco Crosswork Security Hardening Release: August 2026

Cisco RoomOS Stack Overflow Vulnerability

Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability

Cisco Secure Workload Software Security Hardening Release: August 2026

Cisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting Vulnerability

Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise Server-Side Request Forgery Vulnerability

Cisco Unified Intelligence Center SQL Injection Vulnerability

Cisco Industrial Ethernet 1000 Series Switches Denial of Service Vulnerability

Cisco Advance Notification for Publication of August 19, 2026, Security Advisories

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

ClamAV Vulnerabilities Affecting Cisco Products: August 2026

Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability

Cisco IOS XE Software SNMP Denial of Service Vulnerability

Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability

Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability

Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability

Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability

Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability

Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026

Cisco Integrated Management Controller Argument Injection Vulnerabilities

Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability