CVE-2026-33458 MEDIUM

CVE-2026-33458: Server-Side Request Forgery (SSRF) in Kibana One Workflow Leading to Information Disclosure

Vendor Elastic
Product Kibana
Weakness CWE-918 · SSRF
Published April 8, 2026
Last update April 8, 2026

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
April 8, 2026 Record updated