CVE-2026-94408: 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)
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<8.19.22
Elastic Elasticsearch>=9.0.0<9.4.7
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·09:59 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The attacker needs high privileges. Exploitation is network-accessible, requires low attack complexity, and does not require user interaction.
2
What is the expected security impact?
The impact is limited to availability: successful exploitation can cause denial of service. The provided severity vector indicates no confidentiality or integrity impact.