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CVE-2026-26940

MEDIUM CVSS: 6.5 Published: 2026-03-19 Modified: 2026-06-17

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.

Affected Platforms

Elastic Kibana

Weakness Type

CWE-1284

References