Fireworks AI attack leaks chat logs of Notion customers
11/10/2026 — 11/12, 23:20·4 sources (all)·4 reports (all)
Key takeaways
- TechCrunch reports that Fireworks AI has confirmed a cyberattack in which attackers accessed a development system through its cloud provider…
Background & analysis
On November 10, 2026, Forbes reported that Fireworks, an AI inference platform, had suffered a cyberattack exposing customer data and AI models, with the fallout still spreading. Two customers said they had already moved their business off Fireworks' systems, one describing a series of very bad intrusions and criticizing the company's communication.
Later the same day, further Forbes reporting quoted Fireworks as saying that over the past month, hackers accessed some customers' datasets, incomplete model weights, and billing information. The same report noted that two customers had substantially moved their work off Fireworks' systems.
A subsequent Hacker News discussion said the security incident affected Notion and its customers, and drew 53 points, though it did not disclose the scope, timing, or specific data involved. Public information currently stops at these three reports: no clear explanation of how the breach occurred or its full extent, and no follow-up handling from Fireworks appears in the available material.
AI-generated from 3 reports · updated 3 days ago
Latest turnFireworks AI confirmed a cyberattack in which an intruder breached its cloud provider to reach a development system, exposing some customer billing information and datasets, TechCrunch reported. Notion said about 1% of its customers were affected and that hackers took chat transcripts from Notion AI users of its "Insights" feature; it disconnected from Fireworks on November 3.
- Heat index
- 53
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- 4
- All reports
- 4
- First seen
- 4 days ago
Reports on this story headlines open the original
Fireworks AI confirmed a cyberattack in which an intruder breached its cloud provider to reach a development system, exposing some customer billing information and datasets, TechCrunch reported. Notion said about 1% of its customers were affected and that hackers took chat transcripts from Notion AI users of its "Insights" feature; it disconnected from Fireworks on November 3.
TechCrunch · AIAI score 60
A security breach at inference provider Fireworks AI has affected Notion and its customers, according to discussion on Hacker News that drew 53 points. The post did not detail the scope of the leak, when it happened, or what data was exposed.
Hacker News · AIAI score 53Fireworks, an AI infrastructure provider, said hackers accessed some customers' datasets, incomplete model weights and billing information over the past month, Forbes reports. Two customers told Forbes they had already substantially moved their business off Fireworks' systems.
TechmemeAI score 67Forbes reports that AI inference platform Fireworks suffered a cyberattack that exposed customer data and AI models, with the fallout still widening. Two customers said they had already moved their business off Fireworks' systems, one describing a series of "very bad hacks" and poor communication from the company.
Forbes InnovationAI score 54
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