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Elasticsearch 8.19.22, 9.4.7, 9.5.4 Security Update (ESA-2026-180)

🗓️ 25 Sep 2026 08:34:19Reported by ElasticCoType 
elastic
 elastic
🔗 discuss.elastic.co👁 9 Views

Uncontrolled resource consumption in Elasticsearch up to 8.19.21, 9.4.6, 9.5.3 causes DoS.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-94399
25 Sep 202613:40
–circl
cve
CVE
CVE-2026-94399
26 Sep 202620:42
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cvelist
Cvelist
CVE-2026-94399 Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service
26 Sep 202620:42
–cvelist
euvd
EUVD
EUVD-2026-87798
26 Sep 202620:42
–euvd
nvd
NVD
CVE-2026-94399
26 Sep 202621:16
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vulnrichment
Vulnrichment
CVE-2026-94399 Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service
26 Sep 202620:42
–vulnrichment
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25 Sep 2026 08:34Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
9