PHP remote control vulnerability hits back to PHP 5, agents poised to weaponize it fast

MarcJSchmidt · x · 2026-10-21

Marc J. Schmidt warns of a critical PHP remote control vulnerability affecting versions as far back as PHP 5. His key point: AI agents worldwide are now waiting for the published fix or new binaries to analyze the patch and build exploits faster than operators can deploy updates, and he expects a massive wave of server compromises. The post highlights how agents have collapsed the patch-to-weaponization window — releasing a fix is effectively releasing the attack.

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