{"schema":"threatline.record/2","record":{"id":"CVE-2026-102409","aliases":[],"summary":"Uncontrolled Recursion in Elasticsearch Leading to Denial of Service","details":"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).","categories":["Databases"],"product":"Elasticsearch","vendor":"Elastic","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102409","source_modified_at":"2026-10-06T19:55:40.589Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Elasticsearch","vendor":"Elastic","versions":[{"status":"affected","versionType":"semver","version":"9.2.0","lessThanOrEqual":"9.2.8"},{"status":"affected","versionType":"semver","version":"9.3.0","lessThanOrEqual":"9.3.8"},{"status":"affected","versionType":"semver","version":"9.4.0","lessThanOrEqual":"9.4.7"},{"status":"affected","versionType":"semver","version":"9.5.0","lessThanOrEqual":"9.5.4"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00309,"percentile":0.22529,"score_date":"2026-10-23"},"published_at":"2026-10-06T19:31:40.592Z","modified_at":"2026-10-06T19:55:40.589Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102409","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-06T19:55:40.589Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102409","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-06T19:55:32.046618Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-06T19:55:40.589Z","content_hash":"12afcb30b9f353e44730ef6ba6ca6d5aa836559592245c7e1ef0f9fda69229f0"}}