CVE-2026-49090CWE-400

Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

Medium · published July 1, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
35.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00420 · 35.2th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-07-01T17:15Z
EPSS history
Timeline
  • 01 JUL 17:15Z
    Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
    cvelistv5