CVE-2026-91633

CVE-2026-91633

Medium · published October 21, 2026

CVSS v3.1
6.0
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Essbase executes 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 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

The record
Technical detail
CVSS v3.1
6.0 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00127 · 2.1th percentile
Published
2026-10-21T02:21Z
Affected products (1)
ProductVersionsFixed in
oracle/essbaseall versions—
References (1)
https://www.oracle.com/security-alerts/cpuoct2026.html · [email protected]
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:26Z
    Vulnerability in Oracle Essbase (component: Security)
    cvelistv5
  • 20 OCT 21:26Z
    Vulnerability in Oracle Essbase (component: Security)
    cvelistv5