CVE-2026-91527

CVE-2026-91527

High · published October 21, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
37.8
In the wild
Unconfirmed
What it is

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Core). The supported version that is affected is 8.8. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle ZFS Storage Appliance Kit. Successful attacks of this vulnerability can result in takeover of Oracle ZFS Storage Appliance Kit. 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).

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00447 · 37.8th percentile
Published
2026-10-21T02:20Z
References (1)
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:26Z
    Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Core)
    cvelistv5
  • 20 OCT 21:26Z
    Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Core)
    cvelistv5