CVE-2026-91563

highpriority · track · 35EPSS 0.004 · 29 %ileDEFRUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.36% (29th) EPSS
CVSS 8.8 · high
Is it mine?
3 products
Check your exposure
Who says so?
2 sources
cert_bund · certfr

EPSS · scored 2026-10-22

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).

01

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · secalert_us@oracle.com USexploitability 2.8 · impact 5.9
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-266USLLM-inferred
03

affected products (3)

Products and version ranges known to be affected.

04

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-4061Oracle Database Server: Mehrere SchwachstellenDeutsch2026-10-20csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Database Server ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

  • CERTFR-2026-AVI-1349Multiples vulnérabilités dans Oracle Database ServerFrançais2026-10-21vendor · certfrFR
05

sources

Which sources assert this record, and when.

cert_bundcertfrNVDCVE.orgMITRE
published 2026-10-20modified 2026-10-21
06

references (1) nvd

External citations — patches, advisories, analysis.

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