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majorData breach9 November 2026

Fireworks AI discloses second breach, via a cloud provider

Its second breach in weeks came via a hack of a third-party cloud provider on 24 October, exposing customer datasets, model weights and billing data; customers Notion and Uber have since reported data taken through it.

Organisation
Fireworks
Disclosed
9 November 2026
Affected
Not stated
Data
AI datasets, model weights, billing data
Attacker
Unknown
Severity
major
Region
Global
Source
BleepingComputer ↗

Cite this

Nuffield Consulting, “Fireworks AI discloses second breach, via a cloud provider”, The Daily Tech Wire outage & breach log, 9 Nov 2026. https://techwire.nuffieldconsulting.com/incidents/2026-11-09-fireworks-breach/ (retrieved 15 Nov 2026).

This entry summarises public reporting. Please also cite the original source: BleepingComputer, https://www.bleepingcomputer.com/news/security/fireworks-ai-discloses-new-breach-after-cloud-provider-hack/.

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