{"id":"CVE-2026-82300","aliases":["AZL-104951","BIT-elasticsearch-2026-82300","EUVD-2026-87796","GHSA-65c4-jxc9-pv9x"],"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).","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":"2026-11-12","score":0.0024,"percentile":0.15259,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2026-09-26T20:42:16Z","modified":"2026-10-28T11:18:12Z","fixes":[{"ecosystem":"Bitnami","package":"elasticsearch","fixed_in":["8.19.22","9.4.7","9.5.4"],"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":"8.19.22"},{"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-2026-176/390682","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82300","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-65c4-jxc9-pv9x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82300.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-82300","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).","status":"published","published":"2026-09-26T20:42:16.702Z","modified":"2026-10-01T12:54:14.653Z","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":"2026-11-02T13:40:46.161838Z"}],"euvd":[{"id":"EUVD-2026-87796","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).","status":"published","published":"2026-09-26T20:42:16Z","modified":"2026-10-01T12:54:14Z","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":"2026-11-02T17:27:46.486382Z"}],"ghsa":[{"id":"GHSA-65c4-jxc9-pv9x","title":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of 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Denial of Service","description":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).","status":"published","published":"2026-09-26T20:42:16.702Z","modified":"2026-10-28T11:18:12.819515166Z","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":"2026-11-02T15:45:18.131258Z"},{"id":"AZL-104951","title":"CVE-2026-82300 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).","status":"published","published":"2026-09-26T21:16:55Z","modified":"2026-09-28T05:39:54Z","updated_at":"2026-11-02T15:28:01.09948Z"},{"id":"BIT-elasticsearch-2026-82300","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).","status":"published","published":"2026-10-01T09:24:17.386Z","modified":"2026-10-01T10:00:04.618805961Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}