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.
History

Thu, 13 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
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.
Title Inefficient Algorithmic Complexity in Elasticsearch Leading to Denial of Service
Weaknesses CWE-407
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-08-13T20:34:58.606Z

Reserved: 2026-08-10T11:17:58.731Z

Link: CVE-2026-72685

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-13T20:17:29.217

Modified: 2026-08-13T20:17:29.217

Link: CVE-2026-72685

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.