CVE-2026-82294: Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
Published Sep 26, 2026
·Updated
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).
Other sources
Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
— Microsoft
Affected Software
4 affected components
Elastic Elasticsearch
Elastic Elasticsearch>=8.0.0<8.19.21
Elastic Elasticsearch>=9.0.0<9.4.6
Elastic Elasticsearch>=9.5.0<9.5.3
Event History
Sep 26, 2026
CVE Published
via MITRE·08:42 PM
Data Sourced
via MITRE·08:42 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Sep 28, 2026
Data Sourced
via Microsoft·10:01 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The vulnerability requires low-level privileges. It can be exploited over the network without user interaction.
2
What is the potential impact on an affected Elasticsearch deployment?
Successful exploitation can cause a denial of service through excessive resource allocation. The provided impact information indicates availability is affected, while confidentiality and integrity are not.