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Fireworks AI Expands Breach Disclosure to Include Customer Datasets and Model Weights

Fireworks AI disclosed on November 9, 2026 that its investigation into an October security incident found attackers accessed account and billing information and, for some customers, datasets, model weights, and Notion AI chats.

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Timeline · 3 reports

  1. 2026-11-10 15:33 · The Hacker News (security)
    Fireworks AI Confirms Wider Breach Affecting Customer Datasets, Model Weights and Notion AI Chats
  2. 2026-11-10 12:45 · DEV Community — AI
    Fireworks AI Just Admitted Hackers Got Customer Datasets and Model Weights — What Developers Must Do Now
  3. 2026-11-09 21:33 · Unite.AI
    Fireworks AI Expands Breach Disclosure to Datasets and Model Weights

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