CVE-2026-94396: Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service
Published Sep 26, 2026
·Updated
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)
Affected Software
3 affected components
Elastic Elasticsearch
Elastic Elasticsearch>=9.2.0<9.4.7
Elastic Elasticsearch>=9.5.0<9.5.4
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
Frequently Asked Questions
1
What access does an attacker need to exploit this issue?
The attacker needs low-level privileges and can exploit it over the network. No user interaction is required, and the attack complexity is rated low.
2
What is the expected security impact?
The documented impact is high on availability, resulting in denial of service. No confidentiality or integrity impact is indicated.