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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363 intel reports
CountLoader uses multi-stage PowerShell and JavaScript execution via mshta.exe to deploy a cryptocurrency clipper that redirects transactions by hijacking clipboard data.
The Belarus-aligned actor FrostyNeighbor is targeting Ukrainian governmental organizations using updated PicassoLoader variants and victim-validated delivery chains.
The KongTuke group is leveraging Microsoft Teams social engineering to deploy ModeloRAT, escalate privileges via CVE-2023-36036, and harvest domain credentials using fake Windows lock screens.
Kimsuky (APT43) is utilizing updated PebbleDash and AppleSeed malware variants, alongside legitimate tools like VSCode and DWAgent, to target South Korean defense and government entities.
Gamaredon (UAC-0010) is utilizing spearphishing emails and the CVE-2025-8088 WinRAR vulnerability to deploy GammaDrop and GammaLoad malware against Ukrainian state institutions.
The KongTuke threat actor is impersonating help-desk staff via external Microsoft Teams chats to deploy the multi-path ModeloRAT toolkit for persistent access.
Seedworm (MuddyWater) conducted a global espionage campaign in early 2026 using Node.js loaders and DLL sideloading to target manufacturing, government, and financial sectors.
UNC5142 utilizes EtherRAT and the AI-generated TukTuk framework to conduct data exfiltration and deploy The Gentlemen ransomware via decentralized and SaaS infrastructure.
The threat actor Mr_Rot13 is exploiting a critical cPanel authentication bypass (CVE-2026-41940) to deploy Go-based infectors and the 'filemanager' remote access trojan.
The PhantomRaven actor is targeting DeFi, Cloud, and AI developers via 33 malicious NPM packages using a multi-stage Remote Dynamic Dependency chain to harvest credentials.