Notion Confirms AI Chat Transcripts Exposed in Fireworks AI Breach, Affecting Customer Workspaces

Cybersecuritynews •Guru Baran • November 10, 2026

Notion has confirmed that a security incident at Fireworks AI exposed Notion AI chat transcripts linked to fewer than 1% of its customer workspaces. Insights, a feature that helps teams understand their AI usage, used the affected conversations. Notion said its own systems were not breached and no other Notion features were affected. The company […]

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Notion AI Chat Transcripts Exposed in Fireworks AI Breach 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. 2 sources 42

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Notion Confirms AI Chat Transcripts Exposed in Fireworks AI Breach, Affecting Customer Workspaces

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Extracted Entities

Attack Types (1)

CWE Weaknesses (1)

Platforms (1)

Tools (1)