{"id":"CVE-2026-94398","aliases":["BIT-elasticsearch-2026-94398","EUVD-2026-87797","GHSA-8j5h-hqqm-4pfr"],"status":"published","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","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":0.0024,"percentile":0.15256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2026-09-26T20:42:18Z","modified":"2026-10-28T11:19:51Z","fixes":[{"ecosystem":"Bitnami","package":"elasticsearch","fixed_in":["8.19.22","9.4.7","9.5.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"elasticsearch","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.22"},{"introduced":"9.0.0"},{"fixed":"9.4.7"},{"introduced":"9.5.0"},{"fixed":"9.5.4"}]}]}],"products":[{"vendor":"elastic","product":"elasticsearch"}],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-179/390683","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94398","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-8j5h-hqqm-4pfr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94398.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-94398","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","status":"published","published":"2026-09-26T20:42:18.354Z","modified":"2026-09-26T23:00:24.751Z","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":"2026-11-02T14:19:53.786088Z"}],"euvd":[{"id":"EUVD-2026-87797","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","status":"published","published":"2026-09-26T20:42:18Z","modified":"2026-09-26T23:00:24Z","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":"2026-11-02T17:27:54.286776Z"}],"ghsa":[{"id":"GHSA-8j5h-hqqm-4pfr","title":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via...","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","status":"published","published":"2026-09-26T21:30:28Z","modified":"2026-09-26T21:30:34Z","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":"2026-11-02T15:12:30.689958Z"}],"nvd":[{"id":"CVE-2026-94398","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","status":"published","published":"2026-09-26T21:16:56.277Z","modified":"2026-09-29T20:19:32.547Z","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":"2026-11-02T14:12:52.081323Z"}],"osv":[{"id":"CVE-2026-94398","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","status":"published","published":"2026-09-26T20:42:18.354Z","modified":"2026-10-28T11:19:51.06890873Z","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":"2026-11-02T15:45:20.931171Z"},{"id":"BIT-elasticsearch-2026-94398","title":"Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","status":"published","published":"2026-10-01T09:24:20.92Z","modified":"2026-10-01T10:00:04.463940943Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}