CVE-2026-56151

Improper Input Validation in Kibana Leading to Denial of Service

CVSS 6.5 MEDIUMEPSS 0.3%CWE-20

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 6.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

01 jul 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Produtos afetados

Elastic · Kibana

Referências

https://discuss.elastic.co/t/kibana-8-19-17-9-3-6-9-4-3-security-update-esa-2026-45