最新预警列表

CRITICAL Cisco PSIRT 2026-11-15

Cisco UCS Central Software Remote Code Execution Vulnerability

A vulnerability in the web-based management interface of Cisco UCS Central Software could allow an authenticated, remote attacker to achieve remote code execution or conduct information disclosure attacks on an affected device. This vulnerability is due t

CRITICAL Cisco PSIRT 2026-11-15

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

On October 21, 2026, Node.js announced the availability of fixes for multiple vulnerabilities across the following supported release lines: 22.x, 24.x, and 26.x.  These vulnerabilities impact critical operations such as the Brotli decoder, DNS resolution,

CRITICAL Cisco PSIRT 2026-11-15

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

On November 4, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco UCS Central Software Remote Code Execution Vulnerability CVE-202

CRITICAL Cisco PSIRT 2026-11-15

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

Between October 17 and October 20, 2026, a critical security compromise involving Certificate Authorities that are managed by eMudhra was uncovered. A security researcher demonstrated that the private keys for eight eMudhra intermediate certificates were

CRITICAL Cisco PSIRT 2026-11-15

Vulnerabilities in PHP Affecting Cisco Products: October 2026

On October 21, the PHP Foundation announced the availability of a Critical PHP Security release addressing two critical vulnerabilities:  CVE-2026-109618 - RCE via OOM corruption CVE-2026-109619 - RCE via stale global state For information about these vul

CRITICAL Cisco PSIRT 2026-11-15

Cisco Meraki Security Hardening Release: October 2026

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerab

CRITICAL Cisco PSIRT 2026-11-15

Cisco Secure Email Gateway SQL Injection Vulnerability

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due

CRITICAL Cisco PSIRT 2026-11-13

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an unauthenticated,

CRITICAL Cisco PSIRT 2026-11-10

Cisco Unified Communications Products Security Hardening Release: October 2026

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager

CRITICAL Cisco PSIRT 2026-11-04

Multiple Cisco Products Snort 3 Security Hardening Release: October 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco owned Open Source Snort 3 Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that

CRITICAL Cisco PSIRT 2026-11-04

Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities

Multiple Cisco products are affected by vulnerabilities in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of service (DoS) condition. F

CRITICAL Cisco PSIRT 2026-10-30

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

Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snor

CRITICAL Cisco PSIRT 2026-10-29

Multiple Cisco Products Snort 3 Denial of Service Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the detection engine to unexpectedly restart, resulting in a denial of service (DoS) condition. The vulne

CRITICAL Cisco PSIRT 2026-10-29

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

A vulnerability in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine of multiple Cisco products could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart unexpectedly, resulting in a denial of serv

CRITICAL Cisco PSIRT 2026-10-28

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

On October 21, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories. To remediate the vulnerabilities that were disclosed on October 21, 2026, Cisco strongly recommends that customers upgrade to the fixed soft

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