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).
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.oracle.com/security-alerts/cspuaug2026.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.1 · oracleNVD modified 2026-10-22 17:09
Affected (CPE criteria) 1
cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*
References 1
- https://www.oracle.com/security-alerts/cspuaug2026.html Vendor Advisory