CVE-2026-49090 — Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

CVE-2026-49090

Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Elastic / Elasticsearch	affected 8.0.0 through 8.14.3; affected 7.0.0 through 7.17.23

CWE

CWE-400

References

https://discuss.elastic.co/t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.