CVE-2026-26935 MEDIUM

CVE-2026-26935: Improper Input Validation in Kibana Leading to Denial of Service

Vendor Elastic
Product Kibana
Weakness CWE-20 · Input validation
Published February 26, 2026
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)

Key dates

02Disclosure timeline

February 26, 2026 CVE published
February 26, 2026 Record updated