CVE-2026-91563

EUVD-2026-106785
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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
oracleCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 28.82%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
oracleolap
19.3 ≤
𝑥
≤ 19.32
CNA
oracleolap
21.3 ≤
𝑥
≤ 21.23
CNA
oracleolap
23.4.0 ≤
𝑥
≤ 23.26.3
CNA