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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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2025 winter challenge writeup

# 2025 winter challenge writeup Creating quines is a game that has always fascinated computer scientists. The journal _Software: Practice and Experience_ dedicated an article to the subject in 1972—well before Intel released its first 32-bit x86 processor (1985). Even today, many enthusiasts continue to explore the intriguing universe of […]

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