CVE Watch21 jul 2026

CVE-2026-56147

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized information disclosure and case attachment int

CVSS

7.1

Alto

EPSS

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KEV

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Exploit Today

0-100

Publicado: 21 jul 2026 · Última mod.: 21 jul 2026 · CWE-639

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized information disclosure and case attachment integrity compromise via Privilege Abuse (CAPEC-122). An inconsistency in Kibana's file access authorization logic allows a low-privileged authenticated user to retrieve, modify, and delete case attachments that belong to feature areas they are not authorized to access. Because the access control check and the resource retrieval use different resolution mechanisms, an authenticated attacker with limited file management permissions can obtain the contents of, modify, or delete protected case attachments — such as those associated with Security Solution cases — without holding the privileges required to access those features.

Referencias oficiales

discuss.elastic.cohttps://discuss.elastic.co/t/kibana-8-19-18-9-3-7-9-4-3-security-update-esa-2026-59/388558

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