{"id":"CVE-2026-56143","aliases":["AZL-98448","BIT-elasticsearch-2026-56143","EUVD-2026-69558","GHSA-vvr8-mhcc-gx9g"],"status":"published","title":"Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0044,"percentile":0.38743,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-09-01T19:20:10Z","modified":"2026-10-28T02:31:12Z","fixes":[{"ecosystem":"Bitnami","package":"elasticsearch","fixed_in":["8.19.20","9.3.0"],"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":"8.19.20"},{"introduced":"9.0.0"},{"fixed":"9.3.0"}]}]}],"products":[{"vendor":"elastic","product":"elasticsearch"}],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-20-9-3-0-security-update-esa-2026-47/390084","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56143","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-vvr8-mhcc-gx9g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56143.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-56143","title":"Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-01T19:20:10.864Z","modified":"2026-09-01T19:37:54.442Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T13:36:51.6229Z"}],"euvd":[{"id":"EUVD-2026-69558","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-01T19:20:10Z","modified":"2026-09-01T19:37:54Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:01:16.851436Z"}],"ghsa":[{"id":"GHSA-vvr8-mhcc-gx9g","title":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a...","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-01T21:31:47Z","modified":"2026-09-01T21:31:47Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:11:14.651489Z"}],"nvd":[{"id":"CVE-2026-56143","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-01T20:17:14.99Z","modified":"2026-09-04T20:04:06.59Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:43.04945Z"}],"osv":[{"id":"CVE-2026-56143","title":"Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-01T19:20:10.864Z","modified":"2026-10-28T02:31:12.875476072Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:45:11.609219Z"},{"id":"AZL-98448","title":"CVE-2026-56143 affecting package rubygem-elasticsearch 8.9.0-1","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-01T20:17:14Z","modified":"2026-09-08T05:27:28Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"BIT-elasticsearch-2026-56143","title":"Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service","description":"Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.","status":"published","published":"2026-09-07T05:39:42.766Z","modified":"2026-09-08T08:47:24.364931746Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}