GPT-5.6 Sol and Gemini 4 Argon both found a critical PHP flaw affecting millions of sites

The Decoder · rss · 2026-10-22

OpenAI's GPT-5.6 Sol discovered a critical PHP vulnerability under the "Patch the Planet" initiative, potentially affecting millions of websites. Security firm Wiz independently found the same flaw using Google's Gemini 4 Argon.

OpenAI cautions that the same AI capabilities enabling vulnerability discovery could equally empower attackers, as offensive and defensive AI capabilities advance in lockstep.

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