CVE-2026-33458 — MEDIUM (6.3)

Q: How severe is CVE-2026-33458?

CVE-2026-33458 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-33458?

Check the references section above for vendor advisories and patch information. Affected products include: Elastic Kibana.

Vulnerability 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.

CVSS 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

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Elastic	Kibana	>= 9.3.0, < 9.3.3

Related Weaknesses (CWE)

CWE-918

References

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

FAQ

What is CVE-2026-33458?

CVE-2026-33458 is a vulnerability with a CVSS score of 6.3 (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 restric...

How severe is CVE-2026-33458?

CVE-2026-33458 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33458?

Check the references section above for vendor advisories and patch information. Affected products include: Elastic Kibana.