CVE-2026-0543

MEDIUM

6.5

Descripcion

Improper Input Validation (CWE-20) in Kibana's Email Connector can allow an attacker to cause an Excessive Allocation (CAPEC-130) through a specially crafted email address parameter. This requires an attacker to have authenticated access with view-level privileges sufficient to execute connector actions. The application attempts to process specially crafted email format, resulting in complete service unavailability for all users until manual restart is performed.

Detalles CVE

Puntuacion CVSS v3.16.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado1/13/2026

Ultima modificacion1/22/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

elastic:kibana

Debilidades (CWE)

CWE-20CWE-770

Referencias

https://discuss.elastic.co/t/kibana-8-19-10-9-1-10-9-2-4-security-update-esa-2026-08/384523(security@elastic.co)

Correlaciones IOC

Sin correlaciones registradas

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