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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@timpeck11 days ago

34 intel reports

Russian-speaking threat actors are exploiting a heap-based buffer overflow (CVE-2025-25249) in FortiGate devices to deploy PivotC2, an AI-assisted Node.js RAT for network tunneling and credential theft.

BlackSuit ransomware operators conducted a 9-day intrusion starting with VPN brute-force attacks on non-MFA accounts, followed by lateral movement via RDP and data staging before enterprise-wide encryption.

A suspected Chinese-speaking operator utilized the SecFlow AI orchestration framework to exploit multiple vulnerabilities and deploy steganographic GLUTTON webshells against government and education targets across Asia.

Sapphire Sleet, a North Korean state actor, is targeting the cryptocurrency and IT sectors through sophisticated npm supply chain compromises and social engineering lures on professional platforms.

Adversaries can bypass passwordless protections by exploiting Google’s Cloud Authenticator onboarding and recovery flows to extract master keys or forge authentication signatures.

The Qilin (aka Agenda) ransomware group is exploiting a critical Palo Alto Networks authentication bypass vulnerability (CVE-2026-0257) to gain initial access and deploy ransomware via credential-driven lateral movement.

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