SEPTEMBER 21, 2026
Live Feed
Back to database
Case File

CVE-2026-42400

MEDIUM · CVSS 6.5 EPSS 0.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-28 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.

CVE
CVE-2026-42400
Severity
MEDIUM
CVSS
6.5
EPSS
0.33%

Original NVD Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user can send a specially crafted compressed request payload that is processed prior to authorization checks, causing excessive memory and CPU resource consumption that can result in a Kibana instance becoming unresponsive or crashing.

Related CVEs

Other vulnerabilities affecting the same vendor(s)