CVE-2026-49090

Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

State
Published
Severity
6.5 Medium
Published
Jul 1, 2026
Updated
Jul 1, 2026
Reserved
May 27, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Helastic

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
ElasticsearchElastic
  • 8.0.0 through 8.14.3Affected
  • 7.0.0 through 7.17.23Affected

References

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