CVE-2026-102408 Affecting elasticsearch-9.2 package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.35% (27th 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-ELASTICSEARCH92-20941801
  • published15 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-102408  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest elasticsearch-9.2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream elasticsearch-9.2 package and not the elasticsearch-9.2 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Inefficient Regular Expression Complexity (CWE-1333) in Elasticsearch can lead to denial of service via Regular Expression Exponential Blowup (CAPEC-492). The ES|QL CHUNK function's recursive chunking strategy accepts a list of user-supplied regular expressions used as text-splitting separators, without validating their computational complexity or bounding their execution time. An authenticated user with read access to any text-based index can submit a specially crafted regular expression that triggers catastrophic backtracking, consuming excessive CPU on Elasticsearch worker threads and degrading query throughput for other tenants on the affected node. The cluster does not crash as a result of this issue.