Fireworks AI Breach Exposed Notion AI Chat Transcripts

Notion disclosed that a security breach at its AI infrastructure provider, Fireworks AI, exposed Notion AI chat transcripts belonging to a small number of customer workspaces.

Disclosed 11 November 2026 · Record updated 12 November 2026

Impact

AI chat transcripts from a small number of Notion workspaces were exposed due to a breach at third-party AI infrastructure provider Fireworks AI.

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Incidents

Notion says Fireworks AI breach exposed chat transcripts

The workspace company said a security breach at its AI infrastructure supplier exposed Notion AI chat transcripts in a small number of customer workspaces.

12 Nov 2026

Sources

bleepingcomputer.comhttps://bleepingcomputer.com/news/security/notion-says-fireworks-breach-exposed-customer-ai-chat-transcripts