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IntroductionOn October 21, 2026, the Node.js project disclosed CVE-2026-111497, an out-of-bounds write vulnerability in Google’s Brotli decoder used by Node.js and other software. The vulnerability is also known as Node2Shell and more recently as HTTP2Shell. The CVE score, filed by Google as the numbering authority, is 9.2 (Critical) on CVSS 4.0. The flaw can be triggered when a vulnerable process decompresses attack…
Cybersecurity researchers have disclosed details of what appears to be an artificial intelligence (AI)-assisted attack orchestrated by a suspected China-nexus threat actor that has leveraged the PHP2Shell vulnerabilities to breach exposed systems. The activity, which was observed on October 25, 2026, involved an attacker combining PHP2Shell with a kernel privilege escalation exploit to root
Apple heeft meerdere kwetsbaarheden verholpen in macOS, met name in de versies Golden Gate 27.2, Sequoia 15.8.2, Tahoe 26.7.2 en Monterey 12.7.5. De kwetsbaarheden betroffen diverse beveiligingsaspecten binnen macOS, waaronder onvoldoende validatie van symbolische links (symlinks), onjuiste permissiecontroles, onvolledige autorisatiemechanismen, en fouten in geheugenbeheer zoals out-of-bounds reads en writes, use-aft…
Explore the latest tactics, techniques, and procedures (TTPs) our incident response (IR) experts are actively facing in the quarterly TTP Briefing, a report built on frontline threat intelligence from our global incident response investigations across LevelBlue during Q3 2026. Download the full report Register for the Global Webinar Register for EMEA Webinar A Unified View of the Threat Landscape This TTP Briefing is…
