CVE-2026-56143mediumCWE-770

CVE-2026-56143: medium-severity vulnerability in Elasticsearch

Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.9epss 0.4%
Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected products
Elastic · Elasticsearch
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