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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135 intel reports
SilverFox APT is targeting users with fake Microsoft Teams download sites to deliver ValleyRAT through a multi-stage DLL sideloading chain and in-memory execution.
Threat actor UNG0002 is targeting Chinese universities using spear-phishing lures related to national fitness standards to deliver Cobalt Strike via DLL side-loading.
The PoisonX threat actor utilizes a complex multi-stage attack chain involving DLL sideloading and vulnerable driver exploitation (BYOVD) to deploy a modular RAT with EDR-bypass capabilities.
Twill Typhoon is conducting a modular intrusion campaign in the APJ region using updated FDMTP backdoors and DLL sideloading via legitimate binaries like Sogou Pinyin and ClickOnce.
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.
China-nexus threat group UAT-8302 targets government entities in South America and southeastern Europe using a suite of shared and custom malware including NetDraft, CloudSorcerer, and VSHELL.
China-aligned actor SHADOW-EARTH-053 targets government and defense sectors in Asia using DLL sideloading, multiple tunneling tools, and exploitation of CVE-2025-55182.
Threat actors including GOLD ENCOUNTER and campaigns STAC4713/STAC3725 are abusing QEMU virtualization to hide backdoors and deploy PayoutsKing and 3AM ransomware.
JanelaRAT is an evolving variant of BX RAT targeting financial and cryptocurrency institutions in Latin America through DLL side-loading and sophisticated overlay attacks.