Elasticsearch 8.19.24, 9.4.9, 9.5.6 Security Update (ESA-2026-201)

Uncontrolled Recursion in Elasticsearch Leading to Denial of Service Uncontrolled Recursion CWE-674 in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads CAPEC-230. An unauthenticated attacker with network access to the remote cluster server interface of a node c...