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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 experienced further unauthorised access to its development systems on 24 October through a breach at an external cloud provider, 18 days after confirming the initial breach. The investigation confirmed that customer account and billing information, as well as some customers’ secrets, datasets and unfinished model weights, were affected. The company revoked credentials, isolated systems and notified all affected customers.

Key facts

Affected organisation
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
Unauthorised 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 organisation’s official website or app.

Timeline

  1. Unauthorised access to development systems occurred through an external cloud provider.
  2. An investigation update confirmed that customer account and billing information, as well as 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 organisation’s official statements for accurate details.