Sep 2026: Azure Cosmos DB Spoofing Vulnerability
CVE-2026-69857 Published on September 3, 2026

Azure Cosmos DB Spoofing Vulnerability
Authorization bypass through user-controlled key in Azure Cosmos DB allows an authorized attacker to perform spoofing over a network.

Vendor Advisory NVD

Weakness Type

What is an Insecure Direct Object Reference / IDOR Vulnerability?

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

CVE-2026-69857 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.


Products Associated with CVE-2026-69857

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Affected Versions

Microsoft Azure Cosmos DB Version - is affected by CVE-2026-69857