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CVE-2026-42397

MEDIUM
6.5
CVSS 3.1
Description
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted request to affected Entity Analytics endpoints containing an oversized input value that causes excessive resource consumption, which may render Kibana unavailable.

Metadata

CVE ID
CVE-2026-42397
State
PUBLISHED
Assigner
elastic
Reserved
2026-04-27 10:14 UTC
Published
2026-07-21 19:40 UTC
Last updated
2026-07-22 18:25 UTC
Primary CWE
CWE-770
CWE-770 Allocation of Resources Without Limits or Throttling
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 — 9.4.0 ≤ 9.4.3, 9.3.0 ≤ 9.3.6
Weakness (CWE)
CWESourceDescription
CWE-770 cna CWE-770 Allocation of Resources Without Limits or Throttling
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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