{"id":"CVE-2026-72647","aliases":["BIT-elasticsearch-2026-72647","EUVD-2026-58283","GHSA-2qv5-xh6q-23wv"],"status":"published","title":"Uncontrolled Recursion in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0042,"percentile":0.36783,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-674"],"published":"2026-08-13T19:13:36Z","modified":"2026-10-28T10:55:24Z","fixes":[{"ecosystem":"Bitnami","package":"elasticsearch","fixed_in":["8.19.20","9.4.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"elasticsearch","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.20"},{"introduced":"9.0.0"},{"fixed":"9.4.5"}]}]}],"products":[{"vendor":"elastic","product":"elasticsearch"}],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-20-9-4-5-9-5-1-security-update-esa-2026-118/389497","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72647","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-2qv5-xh6q-23wv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72647.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-72647","title":"Uncontrolled Recursion in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","status":"published","published":"2026-08-13T19:13:36.195Z","modified":"2026-08-13T20:28:40.601Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:19:51.663093Z"}],"euvd":[{"id":"EUVD-2026-58283","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","status":"published","published":"2026-08-13T19:13:36Z","modified":"2026-08-13T20:28:40Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:01:55.248337Z"}],"ghsa":[{"id":"GHSA-2qv5-xh6q-23wv","title":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized...","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","status":"published","published":"2026-08-13T21:36:08Z","modified":"2026-08-13T21:36:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:10:26.766632Z"}],"nvd":[{"id":"CVE-2026-72647","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","status":"published","published":"2026-08-13T20:17:25.043Z","modified":"2026-09-01T15:31:04.473Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:12:37.557758Z"}],"osv":[{"id":"CVE-2026-72647","title":"Uncontrolled Recursion in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","status":"published","published":"2026-08-13T19:13:36.195Z","modified":"2026-10-28T10:55:24.150724892Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:45:15.88521Z"},{"id":"BIT-elasticsearch-2026-72647","title":"Uncontrolled Recursion in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Serialized Data with Nested Payloads (CAPEC-230). An authenticated user holding only read privileges on a single index can submit one specially crafted search request whose deeply nested structure is processed without a depth limit, exhausting the thread stack and terminating the affected node.","status":"published","published":"2026-08-19T08:39:42.641Z","modified":"2026-09-08T08:47:15.680348779Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}