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Notion AI Chat Transcripts Exposed in Fireworks AI Breach

First seen 10 Nov 2026, 20:21 UTC • •
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ThreatCluster AI
ThreatCluster •November 10, 2026 at 20:22 UTC
  • •Fireworks AI incident exposed Notion AI chat transcripts for <1% of workspaces.
  • •No identifying information was linked to the exposed chat sessions.
  • •Notion has disabled the Insights feature during the investigation.

Notion has confirmed that a security incident at Fireworks AI exposed AI chat transcripts linked to fewer than 1% of its customer workspaces. The affected transcripts were part of Notion's Insights feature, which helps teams analyze their AI usage. Notion stated that its own systems were not breached, and no other features were affected. Fireworks AI informed Notion on November 6 about potential unauthorized access to customer data, prompting an internal investigation. The transcripts did not contain identifying information about users or workspaces. Notion has disabled the Insights feature while investigating the incident and recommends that users treat the exposed data as if it were compromised. Users are advised to rotate any sensitive information that may have been shared in the chats. The company continues to monitor the situation closely.

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Timeline

2026-11-06
Fireworks AI notifies Notion of potential data access
Fireworks AI informed Notion that malicious actors may have accessed customer data, prompting an internal review.
News.Ycombinator
2026-11-08
Notion confirms exposure of chat transcripts
Following analysis, Notion confirmed that unattributable chat transcripts were part of the exposed data from Fireworks AI.
Cybersecuritynews

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Common questions

Which workspaces are affected?
Fewer than 1% of Notion workspaces may have been affected by the Fireworks AI breach.
What should I do if I used Notion AI?
Review any sensitive information shared in Notion AI chats and rotate credentials if necessary.
Is my Notion data safe?
Notion confirmed that its own systems were not breached, and no other data from workspaces is affected.