We include indicators of activity and mitigations for PAN-OS vulnerability CVE-2026-0257.

The post Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 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.

Unit 42 analyzes npm supply chain evolution post-Shai Hulud. Discover wormable malware, CI/CD persistence, multi-stage attacks and more.

The post The npm Threat Landscape: Attack Surface and Mitigations (Updated June 2) appeared first on Unit 42.

Unit 42 discusses the supply chain attack targeting Axios. Learn about the full attack chain, from the dropper to forensic cleanup.

The post Threat Brief: Widespread Impact of the Axios Supply Chain Attack appeared first on Unit 42.

TeamPCP continues its string of supply chain attacks, and announces a partnership with Vect ransomware group.

The post Weaponizing the Protectors: TeamPCP’s Multi-Stage Supply Chain Attack on Security Infrastructure appeared first on Unit 42.

Unit 42 details recent Iranian cyberattack activity, sharing direct observations of phishing, hacktivist activity and cybercrime. We include recommendations for defenders.

The post Threat Brief: Escalation of Cyber Risk Related to Iran (Updated April 17) 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.

Unit 42 reveals new infrastructure associated with the Notepad++ attack. This expands understanding of threat actor operations and malware delivery.

The post Nation-State Actors Exploit Notepad++ Supply Chain 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 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.

Self-replicating worm “Shai-Hulud” has compromised hundreds of software packages in a supply chain attack targeting the npm ecosystem. We discuss scope and more.

The post "Shai-Hulud" Worm Compromises npm Ecosystem in Supply Chain Attack (Updated November 26) appeared first on Unit 42.