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CVSS 10.0CVSS 10.0 · CRITICAL

CVE-2026-66803RCE via Improper Access Control in Azure Cosmos DB

Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.

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Analysis

Una vulnerabilidad crítica de control de acceso en Azure Cosmos DB permite a un atacante no autorizado ejecutar código de forma remota a través de la red. Este fallo afecta directamente a las aplicaciones que utilizan este motor NoSQL en la nube, comprometiendo la seguridad del backend y la integridad del entorno de ejecución.

Relevant roles

CloudBackendNosqlCyberSecurity

Severity

Score: 10.0(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: CHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE): CWE-284

EPSS

No EPSS score yet (CVE may be too fresh).

Technical description

Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.

Published: 7/30/2026, 9:18:12 PM
Last modified: 7/30/2026, 10:16:56 PM

References

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