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VULNERABILITIES

CVE-2026-72685 Details

Description

A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the availability of indexing operations on the affected node.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://discuss.elastic.co/t/elasticsearch-8-19-20-9-4-5-security-update-esa-2026-77/389500 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-407Inefficient Algorithmic Complexity[email protected]

Affected Products

ProductVersions
elastic elasticsearch
>= 8.0.0, < 8.19.20
>= 9.0.0, < 9.4.5

CPE

  • cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72685
NVD Published Date:
Aug 13, 2026
NVD Last Modified:
Sep 1, 2026
Source:
[email protected]
CVE-2026-72685 Details - Not Deferred