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CVE-2026-69857— Azure Cosmos DB Spoofing Vulnerability

Quick assessment

Affected
Microsoft Azure Cosmos DB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

通过用户可控密钥在 Azure Cosmos DB 中的授权绕过，允许已获授权的攻击者通过网络执行欺骗攻击。

CVSS 8.5 · High
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I. Basic Information for CVE-2026-69857

Vulnerability Information
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Vulnerability Title
Azure Cosmos DB Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization bypass through user-controlled key in Azure Cosmos DB allows an authorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Azure Cosmos DB - -

II. Public POCs for CVE-2026-69857

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III. Intelligence Information for CVE-2026-69857

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Vendor Advisories for CVE-2026-69857 (1)

Same Patch Batch · Microsoft · 2026-09-03 · 8 CVEs total

CVE-2026-83711 10.0 CRITICAL Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
CVE-2026-70352 10.0 CRITICAL Azure AI Language Elevation of Privilege Vulnerability
CVE-2026-80098 9.3 CRITICAL Copilot Studio Elevation of Privilege Vulnerability
CVE-2026-62916 9.1 CRITICAL Microsoft Entra ID Elevation of Privilege Vulnerability
CVE-2026-65818 8.5 HIGH Power Automate Elevation of Privilege Vulnerability
CVE-2026-70178 8.5 HIGH Microsoft Fabric Elevation of Privilege Vulnerability
CVE-2026-62906 7.4 HIGH Microsoft Discovery Studio Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Azure Cosmos DB
Same vendor: Microsoft
Same weakness: CWE-639

V. Comments for CVE-2026-69857

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