CVE-2026-82300

Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

State: Published
Severity: 6.5 Medium
Published: Sep 26, 2026
Updated: Oct 1, 2026
Reserved: Aug 28, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	elastic

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
ElasticsearchElastic	8.0.0 through 8.19.21Affected 9.0.0 through 9.4.6Affected 9.5.0 through 9.5.3Affected

References

https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-176/390682

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.