{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102409", "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "state": "PUBLISHED", "assignerShortName": "elastic", "dateReserved": "2026-09-29T02:06:02.426Z", "datePublished": "2026-10-06T19:31:40.592Z", "dateUpdated": "2026-10-06T19:55:40.589Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "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"}]}], "descriptions": [{"lang": "en", "value": "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).", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>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).</p>"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-674", "description": "CWE-674 Uncontrolled Recursion", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "shortName": "elastic", "dateUpdated": "2026-10-06T19:31:40.592Z"}, "references": [{"url": "https://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863"}], "source": {"discovery": "Elastic"}, "title": "Uncontrolled Recursion in Elasticsearch Leading to Denial of Service", "x_generator": {"engine": "Elastic CVE Publisher 1.0.0"}, "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T19:55:32.046618Z", "id": "CVE-2026-102409", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T19:55:40.589Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-102409", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-06T19:55:32.046618Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T19:55:36.853Z"}}], "cna": {"title": "Uncontrolled Recursion in Elasticsearch Leading to Denial of Service", "source": {"discovery": "Elastic"}, "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Elastic", "product": "Elasticsearch", "versions": [{"status": "affected", "version": "9.2.0", "versionType": "semver", "lessThanOrEqual": "9.2.8"}, {"status": "affected", "version": "9.3.0", "versionType": "semver", "lessThanOrEqual": "9.3.8"}, {"status": "affected", "version": "9.4.0", "versionType": "semver", "lessThanOrEqual": "9.4.7"}, {"status": "affected", "version": "9.5.0", "versionType": "semver", "lessThanOrEqual": "9.5.4"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863"}], "x_generator": {"engine": "Elastic CVE Publisher 1.0.0"}, "descriptions": [{"lang": "en", "value": "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).", "supportingMedia": [{"type": "text/html", "value": "<p>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).</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-674", "description": "CWE-674 Uncontrolled Recursion"}]}], "providerMetadata": {"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "shortName": "elastic", "dateUpdated": "2026-10-06T19:31:40.592Z"}}}, "cveMetadata": {"cveId": "CVE-2026-102409", "state": "PUBLISHED", "dateUpdated": "2026-10-06T19:55:40.589Z", "dateReserved": "2026-09-29T02:06:02.426Z", "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "datePublished": "2026-10-06T19:31:40.592Z", "assignerShortName": "elastic"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Elasticsearch", "vendor": "Elastic", "versions": [{"lessThanOrEqual": "9.2.8", "status": "affected", "version": "9.2.0", "versionType": "semver"}, {"lessThanOrEqual": "9.3.8", "status": "affected", "version": "9.3.0", "versionType": "semver"}, {"lessThanOrEqual": "9.4.7", "status": "affected", "version": "9.4.0", "versionType": "semver"}, {"lessThanOrEqual": "9.5.4", "status": "affected", "version": "9.5.0", "versionType": "semver"}]}], "source": "security@elastic.co"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*", "matchCriteriaId": "2376876B-71F4-4062-AE7A-C6E3C69E7B55", "versionEndExcluding": "9.4.8", "versionStartIncluding": "9.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*", "matchCriteriaId": "50BF1B31-EF32-4797-8095-EFD00A168D47", "versionEndExcluding": "9.5.5", "versionStartIncluding": "9.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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)."}], "id": "CVE-2026-102409", "lastModified": "2026-10-13T18:40:20.810", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security@elastic.co", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-102409", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-06T19:55:32.046618Z", "version": "2.0.3"}}]}, "published": "2026-10-06T20:17:12.907", "references": [{"source": "security@elastic.co", "tags": ["Vendor Advisory"], "url": "https://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863"}], "sourceIdentifier": "security@elastic.co", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "security@elastic.co", "type": "Secondary"}]}

{"bugzilla": {"description": "elasticsearch: Elasticsearch: Denial of Service via uncontrolled recursion", "id": "2547105", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547105"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "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).", "A flaw was found in Elasticsearch. An authenticated user with low privileges can cause a Denial of Service (DoS) by triggering excessive resource allocation through uncontrolled recursive operations. This issue causes the affected Elasticsearch node to terminate unexpectedly, disrupting service availability."], "name": "CVE-2026-102409", "package_state": [{"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-feature-server-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}], "public_date": "2026-10-06T19:31:40Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-102409\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-102409\nhttps://discuss.elastic.co/t/elasticsearch-9-4-8-9-5-5-security-update-esa-2026-190/390863"], "threat_severity": "Moderate"}