Is CVE-2026-33458 actively exploited?

No active exploitation of CVE-2026-33458 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33458 be exploited remotely?

Yes. CVE-2026-33458 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33458?

CVE-2026-33458 has a CVSS score of 7.7 (HIGH).

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HIGH

CVE-2026-33458

CWE-918Published: April 8, 2026· Updated: Apr 13, 2026

7.7

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.0th

Official 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.

NVD Source

Technical Analysis

CVE-2026-33458 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.7.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.