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Vulnerability Details CVE-2026-94397

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

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 32.8%

CVSS Severity

CVSS v3 Score 6.5

References

https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-183/390687

Products affected by CVE-2026-94397

Elastic » Elasticsearch » Version: 9.0.0

cpe:2.3:a:elastic:elasticsearch:9.0.0
Elastic » Elasticsearch » Version: 9.0.1

cpe:2.3:a:elastic:elasticsearch:9.0.1
Elastic » Elasticsearch » Version: 9.0.2

cpe:2.3:a:elastic:elasticsearch:9.0.2
Elastic » Elasticsearch » Version: 9.0.3

cpe:2.3:a:elastic:elasticsearch:9.0.3
Elastic » Elasticsearch » Version: 9.0.4

cpe:2.3:a:elastic:elasticsearch:9.0.4
Elastic » Elasticsearch » Version: 9.0.5

cpe:2.3:a:elastic:elasticsearch:9.0.5
Elastic » Elasticsearch » Version: 9.0.6

cpe:2.3:a:elastic:elasticsearch:9.0.6
Elastic » Elasticsearch » Version: 9.0.7

cpe:2.3:a:elastic:elasticsearch:9.0.7
Elastic » Elasticsearch » Version: 9.0.8

cpe:2.3:a:elastic:elasticsearch:9.0.8
Elastic » Elasticsearch » Version: 9.1.0

cpe:2.3:a:elastic:elasticsearch:9.1.0
Elastic » Elasticsearch » Version: 9.1.1

cpe:2.3:a:elastic:elasticsearch:9.1.1
Elastic » Elasticsearch » Version: 9.1.10

cpe:2.3:a:elastic:elasticsearch:9.1.10
Elastic » Elasticsearch » Version: 9.1.2

cpe:2.3:a:elastic:elasticsearch:9.1.2
Elastic » Elasticsearch » Version: 9.1.3

cpe:2.3:a:elastic:elasticsearch:9.1.3
Elastic » Elasticsearch » Version: 9.1.4

cpe:2.3:a:elastic:elasticsearch:9.1.4
Elastic » Elasticsearch » Version: 9.1.5

cpe:2.3:a:elastic:elasticsearch:9.1.5
Elastic » Elasticsearch » Version: 9.1.6

cpe:2.3:a:elastic:elasticsearch:9.1.6
Elastic » Elasticsearch » Version: 9.1.7

cpe:2.3:a:elastic:elasticsearch:9.1.7
Elastic » Elasticsearch » Version: 9.1.8

cpe:2.3:a:elastic:elasticsearch:9.1.8
Elastic » Elasticsearch » Version: 9.1.9

cpe:2.3:a:elastic:elasticsearch:9.1.9
Elastic » Elasticsearch » Version: 9.2.0

cpe:2.3:a:elastic:elasticsearch:9.2.0
Elastic » Elasticsearch » Version: 9.2.1

cpe:2.3:a:elastic:elasticsearch:9.2.1
Elastic » Elasticsearch » Version: 9.2.2

cpe:2.3:a:elastic:elasticsearch:9.2.2
Elastic » Elasticsearch » Version: 9.2.3

cpe:2.3:a:elastic:elasticsearch:9.2.3
Elastic » Elasticsearch » Version: 9.2.4

cpe:2.3:a:elastic:elasticsearch:9.2.4
Elastic » Elasticsearch » Version: 9.2.5

cpe:2.3:a:elastic:elasticsearch:9.2.5
Elastic » Elasticsearch » Version: 9.2.6

cpe:2.3:a:elastic:elasticsearch:9.2.6
Elastic » Elasticsearch » Version: 9.2.7

cpe:2.3:a:elastic:elasticsearch:9.2.7
Elastic » Elasticsearch » Version: 9.2.8

cpe:2.3:a:elastic:elasticsearch:9.2.8
Elastic » Elasticsearch » Version: 9.2.9

cpe:2.3:a:elastic:elasticsearch:9.2.9
Elastic » Elasticsearch » Version: 9.3.0

cpe:2.3:a:elastic:elasticsearch:9.3.0
Elastic » Elasticsearch » Version: 9.3.1

cpe:2.3:a:elastic:elasticsearch:9.3.1
Elastic » Elasticsearch » Version: 9.3.2

cpe:2.3:a:elastic:elasticsearch:9.3.2
Elastic » Elasticsearch » Version: 9.3.3

cpe:2.3:a:elastic:elasticsearch:9.3.3
Elastic » Elasticsearch » Version: 9.3.4

cpe:2.3:a:elastic:elasticsearch:9.3.4
Elastic » Elasticsearch » Version: 9.3.5

cpe:2.3:a:elastic:elasticsearch:9.3.5
Elastic » Elasticsearch » Version: 9.3.6

cpe:2.3:a:elastic:elasticsearch:9.3.6
Elastic » Elasticsearch » Version: 9.3.7

cpe:2.3:a:elastic:elasticsearch:9.3.7
Elastic » Elasticsearch » Version: 9.3.8

cpe:2.3:a:elastic:elasticsearch:9.3.8
Elastic » Elasticsearch » Version: 9.4.0

cpe:2.3:a:elastic:elasticsearch:9.4.0
Elastic » Elasticsearch » Version: 9.4.1

cpe:2.3:a:elastic:elasticsearch:9.4.1
Elastic » Elasticsearch » Version: 9.4.2

cpe:2.3:a:elastic:elasticsearch:9.4.2
Elastic » Elasticsearch » Version: 9.4.3

cpe:2.3:a:elastic:elasticsearch:9.4.3
Elastic » Elasticsearch » Version: 9.4.4

cpe:2.3:a:elastic:elasticsearch:9.4.4
Elastic » Elasticsearch » Version: 9.4.5

cpe:2.3:a:elastic:elasticsearch:9.4.5
Elastic » Elasticsearch » Version: 9.4.6

cpe:2.3:a:elastic:elasticsearch:9.4.6
Elastic » Elasticsearch » Version: 9.5.0

cpe:2.3:a:elastic:elasticsearch:9.5.0
Elastic » Elasticsearch » Version: 9.5.1

cpe:2.3:a:elastic:elasticsearch:9.5.1
Elastic » Elasticsearch » Version: 9.5.2

cpe:2.3:a:elastic:elasticsearch:9.5.2
Elastic » Elasticsearch » Version: 9.5.3

cpe:2.3:a:elastic:elasticsearch:9.5.3

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Vulnerability Details CVE-2026-94397

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