SEPTEMBER 21, 2026
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Case File

CVE-2026-42399

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. It may lead to a denial-of-service condition.

CVE
CVE-2026-42399
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 low-privileged user can cause Kibana to consume exponentially increasing amounts of memory by submitting a specially crafted Timelion visualization expression containing deeply chained function calls. The resulting data structure grows without bound, exhausting available memory and causing the Kibana service to crash and become unavailable to all users.

Related CVEs

Other vulnerabilities affecting the same vendor(s)