---
id: CVE-2026-82300
title: >-
  Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to
  denial of service via Excessive Allocation (CAPEC-130).
summary: >-
  Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to
  denial of service via Excessive Allocation (CAPEC-130).
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
vendor: Elastic
product: Elasticsearch
affected:
  - Elasticsearch >= 8.0.0 <= 8.19.21
  - Elasticsearch >= 9.0.0 <= 9.4.7
  - Elasticsearch >= 9.5.0 <= 9.5.3
published: '2026-09-26'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T23:16:36.847'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82300'
references:
  - url: >-
      https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-176/390682
    label: security@elastic.co
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-26T23:00:36.644819Z'
ingestedAt: '2026-09-26T21:38:01.503Z'
---

## Overview

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.