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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cspuaug2026.html |
|
History
Thu, 20 Aug 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Oracle database Server
|
|
| CPEs | cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle database Server
|
Thu, 20 Aug 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Physical Access Exploitation of Oracle Portable Clusterware Enables Full Takeover |
Wed, 19 Aug 2026 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Physical Access Exploitation of Oracle Portable Clusterware Enables Full Takeover |
Wed, 19 Aug 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 |
Wed, 19 Aug 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Physical Access Allows Takeover of Oracle Database Portable Clusterware | |
| Weaknesses | CWE-269 CWE-285 |
Wed, 19 Aug 2026 05:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Physical Access Allows Takeover of Oracle Database Portable Clusterware | |
| Weaknesses | CWE-269 CWE-285 |
Tue, 18 Aug 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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). | |
| First Time appeared |
Oracle
Oracle database - Portable Clusterware |
|
| CPEs | cpe:2.3:a:oracle:database_-_portable_clusterware:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle database - Portable Clusterware |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-08-18T21:03:19.281Z
Updated: 2026-08-19T16:03:41.812Z
Reserved: 2026-08-04T22:06:34.614Z
Link: CVE-2026-71063
No data.
Status : Analyzed
Published: 2026-08-18T21:18:06.193
Modified: 2026-08-20T15:09:36.467
Link: CVE-2026-71063
No data.