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CVE-2026-33458

Medium

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.

SeverityMedium
CVSS6.3
Exploit probability—
ProductElastic Kibana
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update
  • elastic kibana9.3.3 or later

Affected products

ProductAffected versionsFixed in
elastic kibana9.3.0 ≤ v < 9.3.39.3.3

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