{"id":"CVE-2026-102404","aliases":["AZL-106718","BIT-elasticsearch-2026-102404","EUVD-2026-93926","GHSA-9h6g-vjpq-vfvx"],"status":"published","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","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":"2026-11-09","score":0.00309,"percentile":0.23954,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2026-10-06T19:31:34Z","modified":"2026-10-28T11:06:45Z","fixes":[{"ecosystem":"Bitnami","package":"elasticsearch","fixed_in":["8.19.23","9.4.8","9.5.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"rubygem-elasticsearch","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"8.9.0-1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"elasticsearch","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.23"},{"introduced":"9.0.0"},{"fixed":"9.4.8"},{"introduced":"9.5.0"},{"fixed":"9.5.5"}]}]}],"products":[{"vendor":"elastic","product":"elasticsearch"}],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-23-9-4-8-9-5-5-security-update-esa-2026-185/390859","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102404","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-9h6g-vjpq-vfvx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102404.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-102404","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-06T19:31:34.716Z","modified":"2026-10-06T19:57:23.769Z","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-400"],"updated_at":"2026-11-02T13:38:54.394896Z"}],"euvd":[{"id":"EUVD-2026-93926","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-06T19:31:34Z","modified":"2026-10-06T19:57:23Z","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":"2026-11-02T17:27:36.701921Z"}],"ghsa":[{"id":"GHSA-9h6g-vjpq-vfvx","title":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via...","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-06T21:31:54Z","modified":"2026-10-06T21:31:58Z","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-400"],"updated_at":"2026-11-02T15:12:52.908481Z"}],"nvd":[{"id":"CVE-2026-102404","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-06T20:17:12.333Z","modified":"2026-10-13T18:50:46.9Z","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-400"],"updated_at":"2026-11-02T14:12:54.809359Z"}],"osv":[{"id":"CVE-2026-102404","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-06T19:31:34.716Z","modified":"2026-10-28T11:06:45.451745714Z","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-400"],"updated_at":"2026-11-02T15:44:53.83521Z"},{"id":"AZL-106718","title":"CVE-2026-102404 affecting package rubygem-elasticsearch 8.9.0-1","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-06T20:17:12Z","modified":"2026-10-15T05:37:09Z","updated_at":"2026-11-02T15:28:01.408755Z"},{"id":"BIT-elasticsearch-2026-102404","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly, including by queries embedded in shared resources, causing persistent cluster unavailability.","status":"published","published":"2026-10-14T08:40:25.116Z","modified":"2026-10-14T11:00:04.006127167Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}