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[ CVE-2026-91563 · Published 20 Oct 2026 ]

Vulnerability in Oracle Corporation Oracle OLAP

CVSS 8.8 EPSS <1%2 agency advisoriesNo fix listed yet

[ Description ]Official 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).

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

  • CERT-FRCERTFR-2026-AVI-1349

    Multiple vulnerabilities in Oracle Database Server Translated from French

    Multiple vulnerabilities have been discovered in Oracle Database Server. Some of them allow an attacker to cause remote arbitrary code execution, remote denial of service and a breach of data confidentiality.

    CVE-2026-91499CVE-2026-93565CVE-2026-93494+41 more CVEs
  • BSI CERT-BundWID-SEC-2026-4061

    Oracle Database Server: Multiple vulnerabilities Translated from German

    CVE-2026-91615CVE-2026-59889CVE-2026-101510+10 more CVEs

[ References ]References