CVE-2026-91503: 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. in Oracle Corporation Oracle Database Server
Description
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).
CVSS v3.1
Score 8.1high
Affected software
Oracle Corporation
Oracle Database Server
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-09-14T22:10:16.639Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","vendor":"Oracle"}]
Threat ID: 6ad7df572cdf04f656642346
Added to database: 10/20/2026, 21:38:31 UTC
Last updated: 10/20/2026, 21:50:01 UTC
Views: 2
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