CVE-2026-56143

Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

Published Sep 1, 2026 CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Elastic
Elastic elasticsearch
Vendors & Products Elastic
Elastic elasticsearch
Type Values Removed Values Added
Description Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.
Title Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
elastic
Published
Updated
Sep 1, 2026, 7:37 PM
Reserved
Jun 19, 2026, 11:01 AM
Status
Analyzed
Published
Sep 1, 2026, 8:17 PM
Modified
Sep 4, 2026, 8:04 PM