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cybersecurity — page 2

104 articles about cybersecurity — tutorials, explainers and interview questions, newest first.

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Cyber Security

PHP2Shell vulnerability: PHP code execution without login

A new PHP flaw nicknamed PHP2Shell lets an attacker take over a server with a single request — no login, no stolen password, no bug in your code required. Here's exactly how CVE-2026-109618 and CVE-2026-109619 work, how to check if you're exposed with a free script, and how to fix it before someone else finds it first.

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