CVEvulnerability

CVE-2026-42400

6.5 MEDIUM Published 2026-05-28 Modified 2026-10-14 Official page ↗
Status
Analyzed
Published
2026-05-28
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

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.

Affected configurations

• elastic kibana (>= 8.0.0 < 8.19.16) • elastic kibana (>= 9.0.0 < 9.3.5) • elastic kibana (>= 9.4.0 < 9.4.2)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References