CVE-2026-91661

highpriority · track · 31EPSS 0.003 · 25 %ileUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.32% (25th) EPSS
CVSS 7.7 · high
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. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase. While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Essbase accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

01

cvss

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

7.7
010

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

v3.17.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nprimary · secalert_us@oracle.com USexploitability 3.1 · impact 4
v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USLLM-inferred
03

affected products (1)

Products and version ranges known to be affected.

04

sources

Which sources assert this record, and when.

nvdNVDCVE.orgMITRE
published 2026-10-20modified 2026-10-23
05

references (1) nvd

External citations — patches, advisories, analysis.

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