CVE-2026-91563

State: Published
Severity: 8.8 High
Published: Oct 20, 2026
Updated: Oct 26, 2026
Reserved: Sep 14, 2026

Description

Vulnerability in the Oracle OLAP 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 DBMS_AW privilege with network access via Oracle Net to compromise Oracle OLAP. Successful attacks of this vulnerability can result in takeover of Oracle OLAP. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	oracle

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
Oracle OLAPOracle Corporation	19.3 through 19.32Affected 21.3 through 21.23Affected 23.4.0 through 23.26.3Affected

References

Oracle Advisoryvendor-advisory

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