CVE-2026-91503

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91503", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-09-14T22:10:16.639Z", "datePublished": "2026-10-20T21:26:18.639Z", "dateUpdated": "2026-10-24T03:41:22.332Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-10-20T21:26:18.639Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "Oracle Database Server", "versions": [{"version": "19.3", "status": "affected", "lessThanOrEqual": "19.32", "versionType": "custom"}, {"version": "21.3", "status": "affected", "lessThanOrEqual": "21.23", "versionType": "custom"}, {"version": "23.4.0", "status": "affected", "lessThanOrEqual": "23.26.3", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:database_-_vpd:*:*:*:*:*:*:*:*", "versionStartIncluding": "19.3", "versionEndIncluding": "19.32"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:database_-_vpd:*:*:*:*:*:*:*:*", "versionStartIncluding": "21.3", "versionEndIncluding": "21.23"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:database_-_vpd:*:*:*:*:*:*:*:*", "versionStartIncluding": "23.4.0", "versionEndIncluding": "23.26.3"}]}]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the VPD component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuoct2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH"}}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "CWE-284 Improper Access Control"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-24T03:40:47.430038Z", "id": "CVE-2026-91503", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-24T03:41:22.332Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-91503", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-24T03:40:47.430038Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-24T03:41:17.263Z"}}], "cna": {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Oracle Corporation", "product": "Oracle Database Server", "versions": [{"status": "affected", "version": "19.3", "versionType": "custom", "lessThanOrEqual": "19.32"}, {"status": "affected", "version": "21.3", "versionType": "custom", "lessThanOrEqual": "21.23"}, {"status": "affected", "version": "23.4.0", "versionType": "custom", "lessThanOrEqual": "23.26.3"}]}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuoct2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the VPD component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data."}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:database_-_vpd:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "19.32", "versionStartIncluding": "19.3"}, {"criteria": "cpe:2.3:a:oracle:database_-_vpd:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "21.23", "versionStartIncluding": "21.3"}, {"criteria": "cpe:2.3:a:oracle:database_-_vpd:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "23.26.3", "versionStartIncluding": "23.4.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-10-20T21:26:18.639Z"}}}, "cveMetadata": {"cveId": "CVE-2026-91503", "state": "PUBLISHED", "dateUpdated": "2026-10-24T03:41:22.332Z", "dateReserved": "2026-09-14T22:10:16.639Z", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "datePublished": "2026-10-20T21:26:18.639Z", "assignerShortName": "oracle"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Oracle Database Server", "vendor": "Oracle Corporation", "versions": [{"lessThanOrEqual": "19.32", "status": "affected", "version": "19.3", "versionType": "custom"}, {"lessThanOrEqual": "21.23", "status": "affected", "version": "21.3", "versionType": "custom"}, {"lessThanOrEqual": "23.26.3", "status": "affected", "version": "23.4.0", "versionType": "custom"}]}], "source": "secalert_us@oracle.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the VPD component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)."}], "id": "CVE-2026-91503", "lastModified": "2026-10-24T04:18:27.000", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "secalert_us@oracle.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-91503", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-24T03:40:47.430038Z", "version": "2.0.3"}}]}, "published": "2026-10-20T22:20:54.780", "references": [{"source": "secalert_us@oracle.com", "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "product": "database_-_vpd", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[19.3,19.32]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[21.3,21.23]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[23.4.0,23.26.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle Database Server", "source": "cna", "vendor": "Oracle Corporation"}, "product": "database_server", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[19.3,19.32]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[21.3,21.23]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[23.4.0,23.26.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle Database Server", "source": "cna", "vendor": "Oracle Corporation"}, "product": "oracle_database_server", "vendor": "oracle_corporation"}], "created": "2026-10-21T10:45:15.937678+00:00", "title": "Oracle Database VPD Privilege Escalation Allowing Data Manipulation", "updated": "2026-10-24T07:45:04.029465+00:00", "vendors": ["oracle", "oracle$PRODUCT$database_-_vpd", "oracle$PRODUCT$database_server", "oracle_corporation", "oracle_corporation$PRODUCT$oracle_database_server"]}