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how this course connects together.
Follow AJ through the layered stack topology from input contract to production output.
related deep dives.
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PHP2Shell (CVE-2026-109618): How AI Found a Decade-Old Bug in 70% of the Web
Two critical pre-authentication RCE flaws in PHP (CVE-2026-109618 and CVE-2026-109619), uncovered by AI models from OpenAI and Google Gemini, sparked a global patching scramble across 70% of the web. Here is how PHP2Shell works and how to patch your servers.

Sanity Knowledge Bases
Eliminate query-time guessing in your AI agents. Learn how Sanity Context Knowledge Bases compile structured datasets, crawled documentation websites, and uploaded files ahead of time, resolve conflicting facts, and serve a compact outline over Context MCP.
