The incident stemmed from unauthorized access at infrastructure vendor Fireworks AI, which supported an analytics feature and served open-weight models. Although the exposed chat logs lacked user identities, workspace labels, and tool call results, any sensitive text manually typed into prompts may have been exposed. Notion severed all connections with the vendor, disabled the affected Insights feature, and notified impacted administrators. Customers who received direct alerts can view their exposed records through the desktop or web interface.
Key points
Affected workspace owners should immediately rotate any sensitive credentials or API keys…: Affected workspace owners should immediately rotate any sensitive credentials or API keys pasted into Notion AI chats.
Exposed chat transcripts were unattributable and lacked workspace names, user identities,…: Exposed chat transcripts were unattributable and lacked workspace names, user identities, and tool call results.
Workspaces that did not receive direct notifications from Notion were completely unaffect…: Workspaces that did not receive direct notifications from Notion were completely unaffected by the security incident.
Sources checked by our analysis pipeline: 1
Notice about the Fireworks AI incident that may impact some Notion workspaces
This notice is about the security incident at one of our vendors, Fireworks AI, that may impact some Notion workspaces. For the latest on the Fireworks AI incident, see their official security updates here.
Following an investigation by the Notion security team, we have determined that <1% of Notion workspaces may have been affected by the Fireworks security incident. Some unattributable chat sessions with Notion AI may have been exposed in this incident. “Unattributable” means the chats weren't labeled with who wrote them or which workspace they came from, and the transcripts did not contain tool call results. Beyond what’s in the chat transcript itself, there’s no information tying the chat back to a workspace, user, or company. No other data from within the workspace is affected.
What is Fireworks AI and how we used them
Fireworks is one of the most-used global AI infrastructure platforms powering tens of thousands of customers, and used by hundreds of thousands of developers. We used Fireworks for classification jobs to help…
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