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Caught in the Hook: RCE and API Token Exfiltration Through Claude Code Project Files | CVE-2025-59536 | CVE-2026-21852

By Aviv Donenfeld and Oded Vanunu Check Point Research has discovered **critical** vulnerabilities in Anthropic’s Claude Code that allow attackers to achieve **remote code execution** and steal API credentials through malicious project configurations. The vulnerabilities exploit various configuration mechanisms including **Hooks**, **Model Context Protocol** (MCP) servers, and **environment variables**-executing arbitrary […]

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AI in the Middle: Turning Web-Based AI Services into C2 Proxies & The Future Of AI Driven Attacks

AI is rapidly becoming embedded in day-to-day enterprise workflows, inside browsers, collaboration suites, and developer tooling. As a result, AI service domains increasingly blend into normal corporate traffic, often allowed by default and rarely treated as sensitive egress. Threat actors are already capitalizing on this shift. Across the malware ecosystem, […]

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Building a Secure Electron Auto-Updater

# Building a Secure Electron Auto-Updater 16 Feb 2026 – Posted by Michael Pastor ## Introduction In cooperation with the Polytechnic University of Valencia and Doyensec, I spent over six months during my internship in a research that combines theoretical foundations in code signing and secure update designs with a […]

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