OpenAIEventCybersecurityOctober 21, 2026

OpenAI's Patch the Planet used GPT-5.6 Sol to find PHP2Shell flaws

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OpenAI says its models helped uncover PHP2Shell (CVE-2026-109618 and CVE-2026-109619), memory-corruption bugs in PHP, which powers roughly 70% of websites. Calif researchers found a version with GPT-5.6 Sol in August; OpenAI found a fuller one in September, and Wiz found both independently.

People · Greg Brockman, Matthew Prince

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