Fireworks AI security breach exposes unattributable Notion AI chat transcripts

·2026.11.10 16:19

Key point

Notion confirmed that less than 1% of workspaces were affected by the breach, with exposed data limited to unattributable chat sessions lacking user or workspace identifiers.

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Details

  • Fireworks AI security incident exposed unattributable Notion AI chat transcripts for less than 1% of workspaces, with no other workspace data affected.
  • Notion disconnected from Fireworks on November 3, deleted all data in the Fireworks system, and halted all training runs.
  • Exposed transcripts did not contain tool call results, user labels, or workspace identifiers, though Notion recommends treating the data as exposed and rotating any credentials pasted into Notion AI during the incident.
  • Enterprise plan owners can access annotated CSVs of affected data, while other users can review their own data via shared links provided by workspace owners.

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