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Cover image for Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

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Tim Peck@timpeck1 day ago

21 intel reports

A suspected Russian-speaking actor used an AI-assisted toolkit (PentAGI) to exploit PaperCut vulnerabilities (CVE-2026-81578, CVE-2026-82078) and maintain persistence access across 45+ countries.

Affiliates of INC and The Gentlemen ransomware groups are using an AI-orchestrated infrastructure featuring the 'Phantom' autonomous red team framework to exploit edge devices and deploy ransomware.

Longlegs (aka Storm-2603), a China-nexus threat actor, is deploying Warlock ransomware against critical infrastructure and government sectors by exploiting SharePoint 'ToolShell' vulnerabilities.

APT28 and MuddyWater utilize ClickFix variants to compromise organizations via social engineering, deploying multi-stage payloads including steganography and Python-based reverse tunnels for internal network pivoting.

CISA red teams achieved full domain compromise and sensitive system access in two organizations, highlighting risks in cloud identity permissions and Active Directory Certificate Services (ADCS).

Certighost (CVE-2026-54121) is a critical improper authorization vulnerability in AD CS allowing low-privileged users to impersonate Domain Controllers by abusing unverified directory referrals.

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