Vulnerability DatabaseCVE-2026-49090
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CVE-2026-49090
Published:July 01, 2026
Updated:July 21, 2026
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.
Affected Packages
org.elasticsearch:elasticsearch (JAVA):
Affected version(s) >=8.0.0 <8.15.0
Fix Suggestion:
Update to version 8.15.0
org.elasticsearch:elasticsearch (JAVA):
Affected version(s) >=7.0.0 <7.17.24
Fix Suggestion:
Update to version 7.17.24
Related Resources (1)
https://discuss.elastic.co/t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
0.25