{"id":"CVE-2026-71063","state":"PUBLISHED","title":"Vulnerability in the Portable Clusterware 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 exploita","description":"Vulnerability in the Portable Clusterware 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 unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware.  While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).","publishedAt":"2026-08-18T21:03:19.281Z","updatedAt":"2026-09-17T18:41:46.471Z","severity":{"score":9.6,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"oracle"},"assigner":"oracle","products":["Oracle Corporation Oracle Database Server"],"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"}]}],"references":["https://www.oracle.com/security-alerts/cspuaug2026.html"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71063.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71063","state":"PUBLISHED","datePublished":"2026-08-18T21:03:19.281Z","dateUpdated":"2026-09-17T18:41:46.471Z","assignerShortName":"oracle","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateReserved":"2026-08-04T22:06:34.614Z"},"containers":{"cna":{"descriptions":[{"lang":"en-US","value":"Vulnerability in the Portable Clusterware 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 unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware.  While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)."}],"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"}]}],"references":[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":9.6,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"lang":"en-US","description":"Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware.  While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Portable Clusterware."}]}],"providerMetadata":{"shortName":"oracle","orgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateUpdated":"2026-08-18T21:03:19.281Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:database_-_portable_clusterware:*:*:*:*:*:*:*:*","versionStartIncluding":"19.3","versionEndIncluding":"19.32"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:database_-_portable_clusterware:*:*:*:*:*:*:*:*","versionStartIncluding":"21.3","versionEndIncluding":"21.23"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:database_-_portable_clusterware:*:*:*:*:*:*:*:*","versionStartIncluding":"23.4.0","versionEndIncluding":"23.26.3"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-19T15:02:46.426802Z","id":"CVE-2026-71063","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Control"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T18:41:46.471Z"}}]}}}