CVE-2026-94396

MEDIUM CVSS 3.1: 6.5 EPSS 0.42%
Updated Sep 29, 2026
Elasticsearch
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions 9.2.0 — 9.5.4
Fixed In 9.4.7
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor Elasticsearch
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Elastic Elasticsearch
cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*
9.2.0 9.4.7
Elastic Elasticsearch
cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*
9.5.0 9.5.4