SB20260120197 - Improper input validation in Oracle ZFS Storage Appliance Kit
Published: January 20, 2026
Security Bulletin ID
SB20260120197
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2026-21930)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local privileged user to manipulate data.
The vulnerability exists due to improper input validation within the Filesystems component in Oracle ZFS Storage Appliance Kit. A local privileged user can exploit this vulnerability to manipulate data.
Remediation
Install update from vendor's website.