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Data breach

Fireworks AI breached again, exposing customer data and model weights

First reported · Last reported · 15 related reports

Fireworks AI suffered renewed unauthorized access to its development systems on October 24 through a breach at an external cloud provider, 18 days after confirming the first breach. The investigation confirmed that customer account and billing information, along with some customers’ secrets, datasets, and unfinished model weights, were affected. The company revoked credentials, isolated systems, and notified all affected customers.

Key facts

Affected organization
Fireworks AI
Incident type
Data breach
Occurred / detected
2026-10-24
Scale of damage
Some customers’ account information, billing information, secrets, datasets, and unfinished model weights
Cause / method
Unauthorized access to development systems through a breach at an external cloud provider
Location
United States

If your data was exposed

  1. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.

Timeline

  1. Unauthorized access to development systems occurred through an external cloud provider.
  2. An investigation update confirmed that customer account and billing information, along with some secrets, datasets, and unfinished model weights, were affected.
  3. Credential revocation and system isolation measures were disclosed.
  4. The company said it had notified all of the limited number of affected customer accounts.

Also affected by this incident

15 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.