CVE-2026-26940

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

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

Vulnerability Description

Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.

Vulnerability Details

Published Date

March 19, 2026

Last Modified

March 23, 2026

CWE ID

CWE-1284

Source

NVD

Vendor

Elastic

Product

Kibana

External References

https://discuss.elastic.co/t/kibana-8-19-13-9-2-7-9-3-2-security-update-esa-2026-20/385535

CVSS Score & Metrics

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Vulnerability Details

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