CVE-2026-33458

MEDIUM

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.

CVSS v3.1 Score

6.3

MEDIUM

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

Attack Vector

NETWORK

Complexity

HIGH

Privileges

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Published: 4/8/2026Modified: 4/13/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (1)

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