{"id":"CVE-2026-82300","summary":"Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service","details":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).","aliases":["BIT-elasticsearch-2026-82300"],"modified":"2026-10-02T03:47:34.811288050Z","published":"2026-09-26T20:42:16.702Z","database_specific":{"cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82300.json","unresolved_ranges":[{"extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.19.21"},{"introduced":"9.0.0"},{"last_affected":"9.4.6"},{"introduced":"9.5.0"},{"last_affected":"9.5.3"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"elastic"},"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-176/390682"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82300.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82300"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/elasticsearch","events":[{"introduced":"1b6a7ece17463df5ff54a3e1302d825889aa1161"},{"fixed":"3b2a41103de35e0af4064d647974032fcc1bcde9"},{"introduced":"112859b85d50de2a7e63f73c8fc70b99eea24291"},{"fixed":"9093bd876e86f531329aad3704ec9ab607c909c8"},{"introduced":"8d4246a64bc255212407b1b313fe402391299c88"},{"fixed":"9170df19cae1adb107b7b489b4d82dec66d7a337"}],"database_specific":{"extracted_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"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*"}}],"versions":["v9.5.3","v9.5.2","v9.5.1","v9.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82300.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}