CVE-2026-26934

MEDIUM6.5EPSS 0.07%

Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service

Published: 3/3/2026Modified: 3/3/2026

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.

Affected packages (2)

  • Bitnami/elk>= 8.18.0, < 8.19.12, >= 9.0.0, < 9.2.6, >= 9.3.0, < 9.3.1
  • Bitnami/kibana>= 8.18.0, < 8.19.12, >= 9.0.0, < 9.2.6, >= 9.3.0, < 9.3.1

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1MEDIUM6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References (2)