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OpenAdvisories
Medium · 6.5 CVE-2026-94399 EUVD-2026-87798GHSA-w22c-qxrr-qv8r

Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

Published Sep 26, 2026 · Updated Sep 26, 2026 · Assigned by elastic

Description

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

Affected products

VendorProductAffectedFixed
Elastic Elasticsearch 8.0.0 – ≤ 8.19.21, 9.0.0 – ≤ 9.4.6, 9.5.0 – ≤ 9.5.3 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 rubygem-elasticsearch No fix yet —

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling ruby3.2-elasticsearch +3 No fix yet —

Advisories 1

References