{"id":"CVE-2026-102409","title":"Uncontrolled Recursion (CWE-674) in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in denial of service, via Excessive Allocation (CAPEC-130).","summary":"Uncontrolled Recursion (CWE-674) in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in 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-674"],"vendor":"Elastic","product":"Elasticsearch","affected":["Elasticsearch >= 9.2.0 <= 9.2.8","Elasticsearch >= 9.3.0 <= 9.3.8","Elasticsearch >= 9.4.0 <= 9.4.7","Elasticsearch >= 9.5.0 <= 9.5.4"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T20:17:12.907","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102409","references":[{"url":"https://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863","label":"security@elastic.co"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-06T19:55:32.046618Z"},"ingestedAt":"2026-10-06T20:16:42.468Z","slug":"CVE-2026-102409","body":"## Overview\n\nUncontrolled Recursion (CWE-674) in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in denial of service, via Excessive Allocation (CAPEC-130).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}