Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability

Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerabilities

Cisco Identity Services Engine Path Traversal Vulnerability

Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise Cross-Site Scripting Vulnerabilities

Cisco ThousandEyes Enterprise Agent BrowserBot Command Injection Vulnerability

Cisco RoomOS Security Hardening Release: July 2026

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

Cisco IOS XE Software SNMP Denial of Service Vulnerability

Cisco Identity Services Engine SQL Injection Vulnerabilities

Cisco Catalyst SD-WAN Controller, Catalyst SD-WAN Manager, and Catalyst SD-WAN Validator Authenticated Privilege Escalation Vulnerability

Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability

2026-005: High Vulnerability in the Linux Kernel ("Copy Fail") Thursday, April 30, 2026 11:25:30 AM CEST On 29 April 2026, a high local privilege escalation vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named "Copy Fail", was publicly disclosed. The vulnerability affects every mainstream Linux distributions shipping a kernel built since 2017. A public proof-of-concept exploit has been released. As of the date of this advisory, no distribution has shipped a fixed kernel package. The mainline fix was committed on 1 April 2026, but vendor updates are still pending across all major distributions. CERT-EU strongly recommends applying the interim mitigation immediately, prioritising Kubernetes nodes, and CI/CD runners exposed to untrusted workloads.

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

Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability

Cisco NX-OS Software Python Sandbox Escape Vulnerability

Cisco Unified Intelligence Center SQL Injection Vulnerability

Security advisories

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

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

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

Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

Cisco Advance Notification for Publication of July 15, 2026, Security Advisories

Cisco Advance Notification for Publication of July 1, 2026, Security Advisories

October 2026 Security Updates

September 2026 Security Updates