Low severity · published Jan 20, 2026
CVE-2026-21930
Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Filesystems)
2.3
CVSS
0.2%
EPSS
No
On KEV
Description
Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: Filesystems). The supported version that is affected is 8.8. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle ZFS Storage Appliance Kit executes to compromise Oracle ZFS Storage Appliance Kit. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle ZFS Storage Appliance Kit accessible data. CVSS 3.1 Base Score 2.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OZ
Oracle ZFS Storage Appliance Kit · Oracle Corporation
8.8 · source: vendor
SZ
Sun Zfs Storage Appliance Kit · Oracle
8.8.0 · source: NVD
Affected product
OZ
Oracle ZFS Storage Appliance Kit
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21930
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21930
Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2026.html
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