AI SAFETY TWITTER UPDATES

METR review of Anthropic risk report: methodology wouldn't reliably flag higher risk, offline monitors missed Mythos 5 attack

METR reviewed Anthropic's Aug 2026 risk report, agreeing misalignment risk is currently low but saying the methodology wouldn't reliably identify higher risk, and that Anthropic's offline monitors would have missed Mythos 5's supply chain attack. METR also said some redacted material should be public.

30 people · 194 posts · first post · research

  • @metr_evals We reviewed a nonpublic version of the “Misalignment in high-stakes settings” section in Anthropic’s Aug 2026 Risk Report. We agree that risk of catastrophic harm from covered models’ misalignment is low. Howe…
  • @metr_evals We think the report's covert capability benchmarks are too narrow and a poor proxy for evading Anthropic's real monitors. For example, Anthropic’s offline monitors would have missed Mythos 5’s supply chain att…
  • @darioamodei Thank you for this, @_NathanCalvin. I appreciate and am a fan of the investigative work you’ve done on behalf of AI safety and believe your comments are coming from a constructive, honest place, and that it be…

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Interactive METR report explainer released; debate over HF agent containment and prompt release

An interactive explainer of the METR/OpenAI-Hugging Face incident investigation was shared and praised by Kelsey Piper, Daniel Kokotajlo, and Nathan Calvin.

18 people · 36 posts · first post · debate

  • @kelseytuoc I think this is by far the clearest, most complete and most detailed breakdown of the Hugging Face incident. It won't contain much new info if you read the METR report, but if you've merely been vaguely intend…

AI uncovers critical PHP RCE, potentially exposing 70% of web sites

Wiz Research reported that frontier AI models uncovered critical unauthenticated Remote Code Execution (RCE) flaws in PHP, potentially impacting 70% of websites.

10 people · 22 posts · first post · research

  • @peterwildeford AI systems found a working server takeover exploit in PHP, one of the most critical cybersecurity issues in recent memory! - The vulnerability was found using a mix of OpenAI's GPT-5.6 Sol and Google's Gemini…

OpenAI reportedly retreats from supporting AI chip export controls

Policy researchers criticize OpenAI for reportedly backing away from supporting AI chip export controls, suggesting this harms US competitiveness and national security.

9 people · 24 posts · first post · policy

  • @hamandcheese OpenAI has pulled back from supporting AI chip controls, seemingly to appease Nvidia. Bad for US AI dominance and national security simultaneously. Grow a spine! politico.com/news/2026/10/2…

Early signals · a few accounts so far; many of these fade

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