CVE-2026-33458

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

State: Published
Severity: 6.8 Medium
Published: Apr 8, 2026
Updated: Apr 8, 2026
Reserved: Mar 20, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N	elastic

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
KibanaElastic	9.3.0 through 9.3.2Affected

References

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

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