# SZB-9da0974403: Notion says Fireworks AI breach exposed some Notion AI chat transcripts

Notion disclosed that a security breach at its AI infrastructure provider, Fireworks AI, exposed Notion AI chat transcripts.

- Type: Breach
- Status: Confirmed
- Vendor: Notion
- Product: Insights
- Disclosed: 2026-11-10 09:03 UTC
- Through: Fireworks AI (BleepingComputer: “Notion, the digital workspace platform, disclosed that a security breach at its AI infrastructure provider, Fireworks AI, exposed Notion AI chat transcripts in…”, [source](https://www.bleepingcomputer.com/news/security/notion-says-fireworks-breach-exposed-customer-ai-chat-transcripts/))
- Sources: 5 distinct
- First seen by cve.now: 2026-11-10 09:04 UTC · Updated: 2026-11-11 21:05 UTC

Written by a model from the sources below. Verify against them.

## Summary

According to Notion, the exposure affected a small number of workspaces.

## What to do

- Review Notion AI chat history in affected workspaces for sensitive content
- Rotate any credentials or secrets that were pasted into Notion AI chats
- Check Notion's security announcement for whether your workspace was affected

## Timeline

- 2026-11-10 09:03 UTC: Made public by BleepingComputer
- 2026-11-10 09:04 UTC: First seen by cve.now
- 2026-11-11 20:54 UTC: Confirmed by Notion. BleepingComputer: “Notion, the digital workspace platform, disclosed that a security breach at its AI infrastructure provider, Fireworks AI, exposed Notion AI chat transcripts in…” ([source](https://www.bleepingcomputer.com/news/security/notion-says-fireworks-breach-exposed-customer-ai-chat-transcripts/))
- 2026-11-11 21:05 UTC: Record last updated

## Evidence (5 sources)

- 2026-11-10 · Social · [Bluesky](https://bsky.app/profile/hnfeed.bsky.social/post/3mzx3guboub2d): “Fireworks AI security breach impacts Notion and their customers”
- 2026-11-10 · Social · [Bluesky](https://bsky.app/profile/breachprotocol.bsky.social/post/3mzxiwolpea2r): “Notion says a Fireworks security incident affected an Insights dataset containing AI chat transcripts from fewer than 1% of workspaces.” (+1 more: [Bluesky](https://bsky.app/profile/gazewires.bsky.social/post/3n22u35ybua27))
- 2026-11-10 · Social · [Bluesky](https://bsky.app/profile/lrbilool.bsky.social/post/3mzxw3pauhl2n): “Notion Confirms AI Chat Transcripts Exposed in Fireworks AI Breach, Affecting Customer Workspaces” (+3 more: [Bluesky](https://bsky.app/profile/infosec.skyfleet.blue/post/fjbytgqyvoimf), [Bluesky](https://bsky.app/profile/hackmanac.com/post/3mzzn4zyqz22l), [Bluesky](https://bsky.app/profile/theageofbs.bsky.social/post/3n22ncovgwk2q))
- 2026-11-11 · Social · [Bluesky](https://bsky.app/profile/five-oclick-tech.bsky.social/post/3mzzyutzstw2t): “Notion confirmed a security incident with their vendor Fireworks AI, affecting under 1% of Notion workspaces.”
- 2026-11-11 · Press · [BleepingComputer](https://www.bleepingcomputer.com/news/security/notion-says-fireworks-breach-exposed-customer-ai-chat-transcripts/): “Notion, the digital workspace platform, disclosed that a security breach at its AI infrastructure provider, Fireworks AI, exposed Notion AI chat transcripts in a small number of workspaces.” (+1 more: [BleepingComputer on Bluesky](https://bsky.app/profile/bleepingcomputer.com/post/3n22tnnhno724))

## Corrections

None so far.

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## Questions about the Fireworks AI breach affecting Notion

### Was Notion customer data exposed?

Yes. The breach was at Fireworks AI, a vendor of Notion. Notion says so: “Notion, the digital workspace platform, disclosed that a security breach at its AI infrastructure provider, Fireworks AI, exposed Notion AI chat transcripts in a small number of workspaces.” (BleepingComputer).

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

### What should Notion customers do?

Review Notion AI chat history in affected workspaces for sensitive content. Rotate any credentials or secrets that were pasted into Notion AI chats. Check Notion's security announcement for whether your workspace was affected.

## Related

- Started as early warning SZB-9da0974403, first seen 2026-11-10 09:04 UTC
- Browse: [Breaches](https://cve.now/breaches.md) · [Early warnings](https://cve.now/early-warnings.md)

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