SB2026010748 - Origin validation error in Fujitsu Security Solution AuthConductor Client Basic V2
Published: January 7, 2026
Security Bulletin ID
SB2026010748
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Origin validation error (CVE-ID: CVE-2026-20893)
CWE-ID: CWE-346 - Origin Validation Error
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to insufficient validation of the origin of commands. A local user can execute arbitrary code on the target system and/or modify the registry value.
Remediation
Install update from vendor's website.