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CVE-2026-26934

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CVE-2026-26934

Published: Feb 26, 2026

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

VendorProductVersions

Elastic

Kibana

affected
8.18.0 - <= 8.19.11
affected
9.0.0 - <= 9.2.5
affected
9.3.0 - <= 9.3.0

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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