🚨 CVE-2026-72638
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.
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Elasticsearch 8.19.20, 9.4.5 Security Update (ESA-2026-119)
Uncontrolled Recursion in Elasticsearch Leading to Denial of Service 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…
September 1, 2026 51 1
