CVE-2026-26938

Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker to read arbitrary files from the Kibana server filesystem, and perform Server-Side Request Forgery (SSRF) via Code Injection (CAPEC-242). This requires an authenticated user who has the workflowsManagement:executeWorkflow privilege.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://discuss.elastic.co/t/kibana-9-3-1-security-update-esa-2026-17/385253	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*

History

17 Jun 2026, 10:26

Type	Values Removed	Values Added
Summary		(es) Neutralización Incorrecta de Elementos Especiales Utilizados en un Motor de Plantillas (CWE-1336) existe en Workflows en Kibana, lo que podría permitir a un atacante leer archivos arbitrarios del sistema de archivos del servidor de Kibana, y realizar Falsificación de Petición del Lado del Servidor (SSRF) a través de Inyección de Código (CAPEC-242). Esto requiere un usuario autenticado que tenga el privilegio workflowsManagement:executeWorkflow.

02 Mar 2026, 15:40

Type	Values Removed	Values Added
CPE		cpe:2.3:a:elastic:kibana:9.3.0:::::::*
First Time		Elastic Elastic kibana
References	~~() https://discuss.elastic.co/t/kibana-9-3-1-security-update-esa-2026-17/385253 -~~	() https://discuss.elastic.co/t/kibana-9-3-1-security-update-esa-2026-17/385253 - Vendor Advisory

26 Feb 2026, 19:32

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-26 19:32

Updated : 2026-06-17 10:26

NVD link : CVE-2026-26938

Mitre link : CVE-2026-26938

CVE.ORG link : CVE-2026-26938

JSON object : View

Products Affected

elastic

kibana

CWE

CWE-1336

Improper Neutralization of Special Elements Used in a Template Engine

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