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CVE-2026-56151

MEDIUM
6.5
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-56151
State
PUBLISHED
Assigner
elastic
Reserved
2026-06-19 11:01 UTC
Published
2026-07-01 16:29 UTC
Last updated
2026-07-01 17:25 UTC
Primary CWE
CWE-20
CWE-20 Improper Input Validation
Vendor / Product
Elastic / Kibana
Sources
cve.org  ·  NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Elastic Kibana — 9.0.0 ≤ 9.3.5, 8.0.0 ≤ 8.19.16, 9.4.0 ≤ 9.4.2
Weakness (CWE)
CWESourceDescription
CWE-20 cna CWE-20 Improper Input Validation
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.5 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References (1)
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