{"id":"BIT-elasticsearch-2026-72679","summary":"Uncontrolled Recursion in Elasticsearch Leading to Denial of Service","details":"Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an intervals query. Compiling a deeply nested pattern drives unbounded recursion that exhausts the thread stack and raises a fatal error, terminating the Elasticsearch node process and causing a denial of service for that node. An authenticated user holding only read-only privileges on a single searchable index can trigger the condition with one small search request.","aliases":["CVE-2026-72679"],"modified":"2026-09-08T08:47:16.419054632Z","published":"2026-08-19T08:39:45.995Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*","cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:maven:*:*"]},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elasticsearch-8-19-20-9-4-5-security-update-esa-2026-81/389501"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72679"}],"affected":[{"package":{"name":"elasticsearch","ecosystem":"Bitnami","purl":"pkg:bitnami/elasticsearch"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.19.0"},{"fixed":"8.19.20"},{"introduced":"9.0.0"},{"fixed":"9.4.5"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elasticsearch/BIT-elasticsearch-2026-72679.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}