CVE-2026-49090

MEDIUM CVSS 6.5 View on NVD ↗

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

elastic/elasticsearch

References

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

Published: Jul 01, 2026 18:16 UTC Modified: Jul 02, 2026 14:43 UTC