{"id":"CVE-2026-94397","title":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","summary":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"elastic","product":"elasticsearch","affected":["elasticsearch >= 8.0.0, < 8.19.22","elasticsearch >= 9.0.0, < 9.4.7","elasticsearch >= 9.5.0, < 9.5.4"],"patched":["elasticsearch 9.5.4"],"published":"2026-09-26","updated":"2026-09-29","sourceUpdated":"2026-09-29T20:20:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94397","references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-183/390687","label":"security@elastic.co"}],"tags":["nvd","cve.org"],"epss":0.0024,"epssPercentile":0.1504,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-26T22:59:10.741441Z"},"ingestedAt":"2026-09-26T21:38:01.503Z","slug":"CVE-2026-94397","body":"## Overview\n\nUncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)\n\n## Affected\n\n- `elasticsearch >= 8.0.0, < 8.19.22`\n- `elasticsearch >= 9.0.0, < 9.4.7`\n- `elasticsearch >= 9.5.0, < 9.5.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `elasticsearch 9.5.4`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}