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OpenAdvisories
High · 7.7 CVE-2026-91568 EUVD-2026-106787GHSA-9vw7-927p-3rjf

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable…

Published Oct 20, 2026 · Updated Oct 26, 2026 · Assigned by oracle

Description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all RDBMS accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

Affected products

VendorProductAffectedFixed
Oracle Oracle Database Server 23.4.0 – ≤ 23.26.3 —

Advisories 1

References