CVE-2026-103005 Affecting elasticsearch-9.4 package, versions <9.4.8-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.31% (22nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-MINIMOSLATEST-ELASTICSEARCH94-20818330
  • published11 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-103005  (opens in a new tab)

How to fix?

Upgrade Minimos:latest elasticsearch-9.4 to version 9.4.8-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream elasticsearch-9.4 package and not the elasticsearch-9.4 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large description field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.