Fireworks AI discloses breach following cloud provider compromise

# Fireworks AI discloses breach following cloud provider compromise

https://gcdradar.vercel.app/incidents/fireworks-ai-discloses-breach-following-cloud-provider-compr · AIR-2026-1850 · live

- Lane: Breaches & attacks
- Severity: 3 (Confirmed exploitation): Confirmed real-world breach impacting a named organisation.
- Fix status: No fix needed
- First reported: 2026-11-10
- AI role: Attack on AI
- Products: Fireworks AI

## Summary

AI startup Fireworks AI disclosed a security breach where attackers accessed its development machines. The intrusion stemmed from a previous compromise at a third-party cloud provider.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-11-11: Breach confirmed to have exposed Notion AI chat transcripts in a small number of workspaces (https://bleepingcomputer.com/news/security/notion-says-fireworks-breach-exposed-customer-ai-chat-transcripts)
- 2026-11-10: Investigation reveals the breach exposed customer billing data, secrets, datasets, and incomplete models for a limited set of accounts (https://thehackernews.com/2026/11/fireworks-ai-breach-widens-to-expose.html)
- 2026-11-10: Fireworks AI discloses new breach after cloud provider hack (https://bleepingcomputer.com/news/security/fireworks-ai-discloses-new-breach-after-cloud-provider-hack)

## Sources

- 2026-11-10 BleepingComputer: Fireworks AI discloses new breach after cloud provider hack https://bleepingcomputer.com/news/security/fireworks-ai-discloses-new-breach-after-cloud-provider-hack
- 2026-11-10 The Hacker News: Fireworks AI Breach Widens to Expose Customer Billing Data and Incomplete Model Weights https://thehackernews.com/2026/11/fireworks-ai-breach-widens-to-expose.html
- 2026-11-10 The Record: AI company Fireworks says hackers stole data, billing info during October breaches https://therecord.media/ai-company-fireworks-says-hackers-stole-data-in-oct-attacks
- 2026-11-11 BleepingComputer: Notion says Fireworks breach exposed customer AI chat transcripts https://bleepingcomputer.com/news/security/notion-says-fireworks-breach-exposed-customer-ai-chat-transcripts
- 2026-11-12 SecurityWeek: Notion Customer Data Compromised in Fireworks AI Hack https://securityweek.com/notion-customer-data-compromised-in-fireworks-ai-hack

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.