Dashboard / CVE-2026-91661

CVE-2026-91661

HIGH
MEDIUM Priority: 0.02 BB Relevance: 65/100
Published: 2026-10-20 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Changed
C: High
I: None
A: None

Description

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).

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
oracle essbase 21.8.3.0.0

References & Advisories (1)

Bug Bounty Relevance

65 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS — Exploitation Probability

0.32%
Raw Score 0.003180
Percentile 24.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00318
2026-10-28
0.00318

Intelligence Sources

mitre ref →
nvd ref →

External Links