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Alto CVE-2026-76387 Multiple Vendors

[CVE-2026-76387] In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security ro…

Vulnerabilidad · Publicado 19/08/2026

8.1
CVSS 3.x
04 Medio7 Alto9 Crítico10
Severidad: Alto
Resumen ejecutivo

In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security role that contains the mc_investigation_read capability could inject Search Processing Language (SPL) through Analyst Queue search filters, allowing for access to all relevant data and system integrity available to the scheduled searches that run for that user. The vulnerability is possible because th…

Descripción técnica

Descripción técnica

In Splunk Enterprise Security versions below 8.6.1, a user who holds a Splunk Enterprise Security role that contains the mc_investigation_read capability could inject Search Processing Language (SPL) through Analyst Queue search filters, allowing for access to all relevant data and system integrity available to the scheduled searches that run for that user. The vulnerability is possible because the Analyst Queue search filter handling does not validate filter field names before the fields are included in SPL searches. For more information see Users and roles for Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/install/8.4/installation/users-and-roles-for-splunk-enterprise-security), Manage analyst workflows using the analyst queue in Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/administer/8.4/mission-control/manage-analyst-workflows-using-the-analyst-queue-in-splunk-enterprise-security), and Overview of Mission Control in Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.5/mission-control/overview-of-mission-control-in-splunk-enterprise-security) in the Splunk documentation.

Puntuación CVSS

Score: 8.1/10 — Severidad: HIGH — Estado NIST: Received

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

Debilidades (CWE)

CWE-20

Fuente oficial

Publicado en NIST NVD.

¿Qué hacer?
  • Revisar el aviso oficial del fabricante y aplicar los parches o mitigaciones disponibles
  • Consultar las referencias en NIST NVD para actualizaciones de estado
  • Priorizar según el score CVSS y la exposición de los sistemas afectados
Esta alerta fue generada automáticamente a partir del NVD del NIST.
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