Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an intervals query. Compiling a deeply nested pattern drives unbounded recursion that exhausts the thread stack and raises a fatal error, terminating the Elasticsearch node process and causing a denial of service for that node. An authenticated user holding only read-only privileges on a single searchable index can trigger the condition with one small search request.

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History

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

Type Values Removed Values Added
Description Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an intervals query. Compiling a deeply nested pattern drives unbounded recursion that exhausts the thread stack and raises a fatal error, terminating the Elasticsearch node process and causing a denial of service for that node. An authenticated user holding only read-only privileges on a single searchable index can trigger the condition with one small search request.
Title Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
Weaknesses CWE-674
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-08-13T20:34:08.185Z

Reserved: 2026-08-10T11:17:58.730Z

Link: CVE-2026-72679

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-08-13T20:17:28.617

Modified: 2026-08-13T20:17:28.617

Link: CVE-2026-72679

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses