CVE-2026-102409

MEDIUMCVSS 6.5

Description

Uncontrolled Recursion (CWE-674) in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in denial of service, via Excessive Allocation (CAPEC-130).

Timeline

Published:October 6th, 2026 8:17 PM

Last modified:October 7th, 2026 1:42 PM

CVSS Scoring

CVSS v3: 6.5 (MEDIUM)

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

Weaknesses (CWE)

CWE-674

References & Reports

Advisories, patches, and third-party reports

https://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863

Source: NIST NVD · Data may lag official sources by up to one minute