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October 22, 2026

Websites taken down worldwide as critical PHP security update issued after AI-discovered flaws

Also: Google DeepMind staff resign over company's AI contracts with military‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

X-Risk Daily

Thursday 22 October 2026

Transformative AI
Websites taken down worldwide as critical PHP security update issued after AI-discovered flaws
Government and corporate websites across several countries went offline on 21 October after the PHP Foundation disclosed two critical vulnerabilities in the programming language and issued emergency fixes.

Also in this issue

Transformative AI
Google DeepMind staff resign over company's AI contracts with military
Transformative AI
OpenAI launches 'Patch the Planet' to coordinate disclosure of critical open-source vulnerabilities found by AI agents
Transformative AI
Unprotected agentic hacking platforms found operating openly online
Transformative AI
Anthropic warns AI models could soon self-replicate across smart home devices
Research
Researcher trains model to detect when its own activations are being probed
Research
Physicists say AI model corrected experts' answers on unpublished-problem benchmark

… and 61 more in the full briefing

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