{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63393", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-16T17:39:30.171Z", "datePublished": "2026-10-30T22:22:05.735Z", "dateUpdated": "2026-10-30T22:22:05.735Z"}, "containers": {"cna": {"title": "OpenSearch SQL plugin: Unsafe cursor deserialization permits server code execution", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/opensearch-project/sql/security/advisories/GHSA-r8cv-xvqm-4qj4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/opensearch-project/sql/security/advisories/GHSA-r8cv-xvqm-4qj4"}, {"name": "https://github.com/opensearch-project/sql/pull/5469", "tags": ["x_refsource_MISC"], "url": "https://github.com/opensearch-project/sql/pull/5469"}, {"name": "https://github.com/opensearch-project/sql/pull/5572", "tags": ["x_refsource_MISC"], "url": "https://github.com/opensearch-project/sql/pull/5572"}, {"name": "https://github.com/opensearch-project/sql/commit/402a284f1dff3545236480b67f860aa93fb667de", "tags": ["x_refsource_MISC"], "url": "https://github.com/opensearch-project/sql/commit/402a284f1dff3545236480b67f860aa93fb667de"}, {"name": "https://github.com/opensearch-project/sql/commit/9ab50384d3ad571a14211415fba2f6d26d4c80db", "tags": ["x_refsource_MISC"], "url": "https://github.com/opensearch-project/sql/commit/9ab50384d3ad571a14211415fba2f6d26d4c80db"}, {"name": "https://github.com/opensearch-project/sql/releases/tag/2.19.6.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/opensearch-project/sql/releases/tag/2.19.6.0"}, {"name": "https://github.com/opensearch-project/sql/releases/tag/3.7.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/opensearch-project/sql/releases/tag/3.7.0.0"}], "affected": [{"vendor": "opensearch-project", "product": "sql", "versions": [{"version": ">= 2.8.0.0, < 2.19.6.0", "status": "affected"}, {"version": ">= 3.0.0.0-alpha1, < 3.7.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T22:22:05.735Z"}, "descriptions": [{"lang": "en", "value": "OpenSearch SQL supports querying OpenSearch data using SQL and Piped Processing Language. In the 2.x line from 2.8.0.0 until 2.19.6.0, and the 3.x line prior to 3.7.0.0, a remote authenticated user with basic read/search permissions can provide a crafted `cursor` parameter to the `plugins/sql` endpoint and trigger unsafe deserialization of untrusted data, resulting in arbitrary code execution on the server. This issue is fixed in repository releases 2.19.6.0 and 3.7.0.0."}], "source": {"advisory": "GHSA-r8cv-xvqm-4qj4", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "sql", "vendor": "opensearch-project", "versions": [{"status": "affected", "version": ">= 2.8.0.0, < 2.19.6.0"}, {"status": "affected", "version": ">= 3.0.0.0-alpha1, < 3.7.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenSearch SQL supports querying OpenSearch data using SQL and Piped Processing Language. In the 2.x line from 2.8.0.0 until 2.19.6.0, and the 3.x line prior to 3.7.0.0, a remote authenticated user with basic read/search permissions can provide a crafted `cursor` parameter to the `plugins/sql` endpoint and trigger unsafe deserialization of untrusted data, resulting in arbitrary code execution on the server. This issue is fixed in repository releases 2.19.6.0 and 3.7.0.0."}], "id": "CVE-2026-63393", "lastModified": "2026-10-30T23:17:14.557", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-30T23:17:14.557", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/commit/402a284f1dff3545236480b67f860aa93fb667de"}, {"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/commit/9ab50384d3ad571a14211415fba2f6d26d4c80db"}, {"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/pull/5469"}, {"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/pull/5572"}, {"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/releases/tag/2.19.6.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/releases/tag/3.7.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/opensearch-project/sql/security/advisories/GHSA-r8cv-xvqm-4qj4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}