CVE-2026-33458

Name: CVE-2026-33458
Creator: NVD / NIST
Published: 2026-04-08T18:26:00.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2026-33458 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.7/10

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

EPSS Probability

0.23%

13.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Elastic	Kibana	>= 9.3.0, < 9.3.3

References

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

Timeline

Published: Apr 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-33458?

How severe is CVE-2026-33458?

CVE-2026-33458 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2026-33458?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33458?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST