Is CVE-2026-33459 actively exploited?

No active exploitation of CVE-2026-33459 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33459 be exploited remotely?

Yes. CVE-2026-33459 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33459?

CVE-2026-33459 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-33459

CWE-400Published: April 8, 2026· Updated: Apr 13, 2026

6.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.7th

Official Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with access to the automatic import feature can submit specially crafted requests with excessively large input values. When multiple such requests are sent concurrently, the backend services become unstable, resulting in service disruption and deployment unavailability for all users.

NVD Source

Technical Analysis

CVE-2026-33459 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 availability disruption (denial of service), with a CVSS base score of 6.5.