OpenAIEventCybersecurityOctober 21, 2026

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

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OpenAI says GPT-5.6 Sol helped surface CVE-2026-109618 and CVE-2026-109619, memory-corruption bugs in PHP's out-of-memory and fatal-error handling that affect roughly 70% of websites. The flaw sat in PHP for 14 years; fixes shipped Oct 21 after details leaked ahead of an Oct 22 target.

People · Greg Brockman, Matthew Prince

How this story unfolded

1 day · 7 reports · 3 community posts · 10 of 13 shown

  1. Oct 21
  2. Oct 22

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