CVE-2026-26934

MediumCVSS 6.5/10Last modified Jun 17, 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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1284

Affected software

No affected versions have been published.

Timeline

Published: Feb 26, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-269357.5Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Ma CVE-2026-269367.5Inefficient Regular Expression Complexity (CWE-1333) in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regul CVE-2026-269377.5Uncontrolled Resource Consumption (CWE-400) in the Timelion component in Kibana can lead Denial of Service via Input Data Manipulation (CAPE CVE-2026-269387.7Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker CVE-2026-269396.5Missing Authorization (CWE-862) in Kibana’s server-side Detection Rule Management can lead to Unauthorized Endpoint Response Action Configur CVE-2026-26945.4The The Events Calendar plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to an improper capabili CVE-2026-269406.5Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via CVE-2026-269427.2Dell PowerProtect Data Domain, versions 8.5 through 8.6 contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS CVE-2026-269437.2Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13 CVE-2026-269448.8Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13 CVE-2026-269455.3Dell Integrated Dell Remote Access Controller 9, 14G versions prior to 7.00.00.181, 15G and 16G versions prior to 7.20.10.50 and Dell Integr CVE-2026-269466.7Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an improper privilege management vulnerab