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Episode 225: Unpacking the Azure CHAOS DB Flaw with Nir Ohfeld of Wiz

ID: 7d3f2ec7-06e0-5835-bde7-3027cbff3652

STIX ID: report--7d3f2ec7-06e0-5835-bde7-3027cbff3652

Feed Name: Security Ledger

Threat Score
75/100

Date Published: 2021-09-06

Date Updated: 2026-04-26

Author: Paul Roberts

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This podcast episode/article covers Wiz researcher Nir Ohfeld's discovery of "CHAOS DB," a critical flaw in Azure Cosmos DB's Jupyter Notebook feature that could have allowed remote attackers to obtain full administrative (read/write/delete) access across other customers' Cosmos DB instances. The report notes that thousands of organizations — including Fortune 500 companies — were potentially affected, and Microsoft disabled the Jupyter Notebook feature following disclosure; the discussion emphasizes mitigation steps and broader cloud-security risks.

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