CVE-2026-26934

MEDIUM

Kibana - DoS

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0006
EPSS Percentile 19.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1284
Status published
Products (2)
elastic/kibana 9.3.0
elastic/kibana 8.18.0 - 8.19.12
Published Feb 26, 2026
Tracked Since Feb 27, 2026