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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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AI-discovered PHP RCE 'php2shell' patched; OpenAI flags more AI-found bugs including Node.js RCE

Wiz Research and OpenAI's Patch the Planet coalition found critical unauthenticated RCE and memory-disclosure flaws in PHP's core engine, exploitable with frontier AI help, affecting ~70% of websites.

12 people · 24 posts · first post · incident

  • @openai OpenAI models helped researchers—operating as part of our Patch the Planet initiative—discover critical security flaws in PHP, an open-source programming language used to run an estimated 70% of websites. Over…

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…

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