CVE-2026-91563 Oracle Database Server OLAP - Remote Code Execution

Oracle Database Server OLAP component 19.3-19.32, 21.3-21.23, and 23.4.0-23.26.3 contains a remote code execution caused by vulnerability exploitable by low privileged attackers with DBMS_AW privilege via Oracle Net, letting attackers take over Oracle OLAP.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution, Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to the latest available Oracle Database Server version beyond 23.26.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs