Is CVE-2026-91527 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91527?

CVE-2026-91527 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-91527

Description

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).