Fireworks AI breach affects Notion and customers
The gist
Fireworks AI told customers on Nov 9 that hackers accessed account, billing and some stored data.
Notion cut ties and says under 1% of workspaces may be affected.
How it unfolded
- Oct 6, 2026Fireworks detected unauthorized use of internal credentials that exposed environment variables, including API keys.
- Oct 10, 2026Fireworks said it had found no evidence of unauthorized access to customer models, datasets or training data.
- Oct 24, 2026An unauthorized third-party breached an external cloud provider that hosts Fireworks' machines, per Fireworks.
Key terms
- AI inference provider
- The process by which an AI system applies rules to known facts to derive new conclusions.
- open-weight models
- Numerical values in a neural network that determine how strongly inputs contribute to its calculations.
- environment variables
- A user-definable value in a computer's environment that can affect how running processes behave.
Source: Wikipedia