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CVE-2026-49090

MEDIUM
6.5
CVSS 3.1
Description
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.

Metadata

CVE ID
CVE-2026-49090
State
PUBLISHED
Assigner
elastic
Reserved
2026-05-27 11:31 UTC
Published
2026-07-01 17:15 UTC
Last updated
2026-07-01 17:56 UTC
Primary CWE
CWE-400
CWE-400 Uncontrolled Resource Consumption
Vendor / Product
Elastic / Elasticsearch
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 Elasticsearch — 8.0.0 ≤ 8.14.3, 7.0.0 ≤ 7.17.23
Weakness (CWE)
CWESourceDescription
CWE-400 cna CWE-400 Uncontrolled Resource Consumption
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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