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.

Browse public community intelligence reports, source analysis, and threat research.
81 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.
Adversaries are actively exploiting CVE-2026-109618 (PHP2Shell) to achieve remote code execution on Apache/PHP servers by bypassing ASLR through a four-stage multipart request chain.
DPRK-linked actors are utilizing ErrTraffic ClickFix lures on compromised WordPress sites alongside fake recruiter personas to deliver Node.js-based RATs with Polygon-hosted C2 resolvers.
Flax Typhoon and RedTail botnet operators are repurposing legacy infrastructure to target newer vulnerabilities like XWiki and PHP-CGI across worldwide organizations.
Critical unauthenticated remote code execution vulnerabilities in the PHP engine, dubbed PHP2Shell, are being exploited in the wild to deploy webshells.
Threat actor CL-UNK-1211 and other groups are leveraging AI agents and LLM-generated code to discover zero-days and orchestrate rapid exploitation campaigns against Linux infrastructure.
The CodeAIAssistant malicious VS Code extension abuses Model Context Protocol (MCP) install prompts and direct Node.js child_process spawning to execute arbitrary commands.
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.
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.
Adversary c05d5254 uses the PoisonedRefresh rootkit to inject fileless PHP web shells into F5 BIG-IP APM memory via CVE-2025-53521 exploitation.