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 network access via HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | Oracle Database Server | 19.3 – ≤ 19.32, 21.3 – ≤ 21.23, 23.4.0 – ≤ 23.26.3 | — |
Advisories 2
- NCSC-2026-0307 Kwetsbaarheden verholpen in Oracle Database Producten NCSC-NL (Netherlands) · Aug 19, 2026
- WID-SEC-2026-2889 Oracle Database Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 18, 2026
References
- Oracle Advisory vendor-advisory