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OpenAdvisories
Medium · 6.5 CVE-2026-56151 EUVD-2026-41085GHSA-rvxp-jqfr-h65p

Improper Input Validation in Kibana Leading to Denial of Service

Published Jul 1, 2026 · Updated Jul 1, 2026 · Assigned by elastic

Description

Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user can submit a specially crafted Fleet policy input that is not correctly validated, which can render Fleet agent, server, and policy management functionality unavailable.

Affected products

VendorProductAffectedFixed
Elastic Kibana 9.0.0 – ≤ 9.3.5, 8.0.0 – ≤ 8.19.16, 9.4.0 – ≤ 9.4.2 —

Advisories 1

References