CVE-2026-33458

MEDIUM

Server-Side Request Forgery (SSRF) in Kibana One Workflow Leading to Information Disclosure

Title source: cna

Description

Server-Side Request Forgery (CWE-918) in Kibana One Workflow can lead to information disclosure. An authenticated user with workflow creation and execution privileges can bypass host allowlist restrictions in the Workflows Execution Engine, potentially exposing sensitive internal endpoints and data.

References (1)

https://discuss.elastic.co/t/kibana-9-3-3-security-update-esa-2026-28/385815

Scores

CVSS v3 6.3

EPSS 0.0005

EPSS Percentile 15.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (2)

Elastic/Kibana 9.3.0 - 9.3.2

elastic/kibana 9.3.0 - 9.3.3

Published Apr 08, 2026

Tracked Since Apr 08, 2026