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.

CVE-2026-1731 is an RCE vulnerability in identity platform BeyondTrust. This flaw allows attackers control of systems without login credentials.

The post VShell and SparkRAT Observed in Exploitation of BeyondTrust Critical Vulnerability (CVE-2026-1731) appeared first on Unit 42.

We discuss widespread exploitation of Ivanti EPMM zero-day vulns CVE-2026-1281 and CVE-2026-1340. Attackers are deploying web shells and backdoors.

The post Critical Vulnerabilities in Ivanti EPMM Exploited appeared first on Unit 42.

We detail our discovery of CVE-2025-0921. This privileged file system flaw in SCADA system Iconics Suite could lead to a denial-of-service (DoS) attack.

The post Privileged File System Vulnerability Present in a SCADA System appeared first on Unit 42.

Database platform MongoDB disclosed CVE-2025-14847, called MongoBleed. This is an unauthenticated memory disclosure vulnerability with a CVSS score of 8.7.

The post Threat Brief: MongoDB Vulnerability (CVE-2025-14847) appeared first on Unit 42.

We identified remote code execution vulnerabilities in open-source AI/ML libraries published by Apple, Salesforce and NVIDIA.

The post Remote Code Execution With Modern AI/ML Formats and Libraries appeared first on Unit 42.

We discuss the CVSS 10.0-rated RCE vulnerability in the Flight protocol used by React Server Components. This is tracked as CVE-2025-55182.

The post Exploitation of Critical Vulnerability in React Server Components (Updated December 12) appeared first on Unit 42.