CVE-2026-56148 MEDIUM

CVE-2026-56148: Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

Vendor Elastic
Product Elasticsearch
Weakness CWE-674
Published July 1, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted query that causes excessive resource consumption while the request is processed, which may render the affected node unavailable.

Key dates

02Disclosure timeline

July 1, 2026 CVE published
July 1, 2026 Record updated