CVE-2026-102409 — Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

CVE-2026-102409

Uncontrolled Recursion in Elasticsearch Leading to Denial of Service PUBLISHED

Description (CNA)

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).

Affected (CNA)

Vendor / product	Versions
Elastic / Elasticsearch	affected 9.2.0 through 9.2.8; affected 9.3.0 through 9.3.8; affected 9.4.0 through 9.4.7; affected 9.5.0 through 9.5.4

CWE

CWE-674

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.