CVE-2026-72638

No fix known EPSS <1%CVSS 6.5

Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153). An authenticated user holding only low-privileged index creation permissions can submit a single request containing a specially crafted, malformed custom analysis definition that is resolved recursively without a cycle or depth check, exhausting the thread stack and terminating the affected node.

Published 2026-08-13 · CVE record · OSV

Products: Elasticsearch

Distro releases