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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@timpeck16 hours ago

242 intel reports

C2Agent is a sophisticated Go-based Windows malware that utilizes Large Language Models (LLMs) and the Model Context Protocol (MCP) to interactively drive post-exploitation activities.

Unauthenticated attackers are exploiting CVE-2026-88771 in NetScaler ADC and Gateway appliances using a multi-stage log-poisoning technique to achieve remote code execution and deploy web shells.

Cluster CL-STA-0954 (UNC5820) exploited multiple Fortinet vulnerabilities, including CVE-2024-47575 and CVE-2025-61624, to deploy a novel memory-resident ARM64 implant named PEERSTITCH against telecommunications providers.

Adversaries are actively exploiting multiple zero-day vulnerabilities in Citrix NetScaler ADC and Gateway to deploy persistence mechanisms including PHP-based webshells and remote management tools.

Threat actors are concealing NetSupport Manager RAT payloads within structurally valid MP4 files using ISO-BMFF uuid boxes, delivered via PowerShell loaders from Cloudflare-fronted infrastructure.

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