Elasticsearch 9.4.7, 9.5.3, 8.19.23 Security Update (ESA-2026-192)

Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to Denial of Service via Excessive Allocation (CAPEC-130). Elasticsearch enforces a size limit on the user-supplied metadata field for each individual template resource, but does not limit the total memory used when multiple such resources are retrieved together. A user holding the manage_index_templates cluster privilege can register multiple resources each within the individual limit. Retrieving them toget…

Elastic Security Announcementsで読む