CVE-2026-56151

Summary

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 Software

VendorProductVersion RangeStatus
ElasticKibana9.0.0 <= 9.3.5affected
ElasticKibana8.0.0 <= 8.19.16affected
ElasticKibana9.4.0 <= 9.4.2affected

Weaknesses

  • CWE-20: CWE-20 Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References