CVE-2026-26934 – Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service

CVE ID : CVE-2026-26934

Published : Feb. 26, 2026, 6:23 p.m. | 47 minutes ago

Description : Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.

Severity: 6.5 | MEDIUM

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