๐Ÿ” CVE Alert

CVE-2026-91563

HIGH 8.8
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

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).

Vendor oracle corporation
Product oracle olap
Published Oct 20, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Oracle Corporation / Oracle OLAP
19.3 โ‰ค 19.32 21.3 โ‰ค 21.23 23.4.0 โ‰ค 23.26.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
oracle.com: https://www.oracle.com/security-alerts/cpuoct2026.html