CVE-2026-91646

mediumpriority · track · 22EPSS 0.003 · 17 %ileUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.26% (17th) EPSS
CVSS 5.6 · medium
Is it mine?
1 products
Check your exposure
Who says so?
1 sources
nvd

EPSS · scored 2026-10-27

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Essbase accessible data as well as unauthorized read access to a subset of Oracle Essbase accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).

01

cvss

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

5.6
010

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

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lprimary · secalert_us@oracle.com USexploitability 2.2 · impact 3.4
v3.15.1mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-266USLLM-inferredCWE-284US
04

affected products (1)

Products and version ranges known to be affected.

05

sources

Which sources assert this record, and when.

nvdNVDCVE.orgMITRE
published 2026-10-20modified 2026-10-27
06

references (1) nvd

External citations — patches, advisories, analysis.

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