CVE-2026-109618 and CVE-2026-109619 are Critical vulnerabilities in PHP, a scripting language used globally for web servers and CMS systems.

The post Threat Brief: Critical Vulnerabilities in PHP: CVE-2026-109618, CVE-2026-109619 (Updated October 29) appeared first on Unit 42.

We introduce OperTraitor, a tool to audit privileges of Kubernetes operators, identify excessive RBAC risks, and secure non-human identities.

The post OperTraitors: How Kubernetes Operators Betray Your Security Posture appeared first on Unit 42.

Unit 42 is aware of possible 0-day activity against NetScaler devices. Citrix reports CVE-2026-88771, CVE-2026-88772 have been exploited in the wild.

The post Threat Brief: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Exploited in the Wild (Updated September 30) appeared first on Unit 42.

Frontier AI is reshaping vulnerability discovery. Learn how our NOVA system found 14,000+ unknown vulnerabilities across the open-source software supply chain.

The post The Frontier AI Vulnerability Burst: Industrializing Autonomous Zero-Day Discovery in Open-Source Software appeared first on Unit 42.

Unit 42 details a Chinese speaking threat actor combining autonomous AI scanning across seven vulnerabilities with manual exploitation. Read more.

The post Chinese-Speaking Threat Actor Harnesses AI Models for Autonomous Cyberattacks appeared first on Unit 42.

A technical analysis of three chained zero-day vulnerabilities in Siemens ROX II OT switches that allow privilege escalation and persistent root access.

The post Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy appeared first on Unit 42.

Ransomware operators including Spikey Scorpius (aka Qilin) and Tarnished Scorpius (aka Inc) are exploiting PAN-OS vulnerability CVE-2026-0257.

The post Active Exploitation of May 2026 PAN-OS CVE-2026-0257 (Updated October 20) appeared first on Unit 42.

Unit 42 details CVE-2026-0300, a buffer overflow vulnerability in the PAN-OS User-ID Authentication Portal. Read now for details.

The post Threat Brief: Exploitation of PAN-OS Captive Portal Zero-Day for Unauthenticated Remote Code Execution appeared first on Unit 42.

Copy Fail (CVE-2026-31431) is a critical Linux kernel LPE that allows stealthy root access. This flaw impacts millions of systems. Read our analysis.

The post Copy Fail: What You Need to Know About the Most Severe Linux Threat in Years appeared first on Unit 42.

CVE-2023-33538 allows for command injection in TP-Link routers. We discuss exploitation attempts with payloads characteristic of Mirai botnet malware.

The post A Deep Dive Into Attempted Exploitation of CVE-2023-33538 appeared first on Unit 42.