TI-2026-16919 Aliases CVE-2026-20893 GHSA-h2fp-m732-cq75

Origin validation error in Fujitsu Security Solution AuthConductor Client Basic V2

LOW 38CWE-346Published 2026-01-07 · Updated 2026-01-07

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-346.

Summary

Origin validation error issue exists in Fujitsu Security Solution AuthConductor Client Basic V2 2.0.25.0 and earlier. If this vulnerability is exploited, an attacker who can log in to the Windows system where the affected product is installed may execute arbitrary code with SYSTEM privilege and/or modify the registry value.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00125 2nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fujitsu Client Computing Limited	Fujitsu Security Solution AuthConductor Client Basic V2	up to 2.0.25.0	—	No fix listed	CNA

Fujitsu Security Solution AuthConductor Client Basic V2 VendorFujitsu Client Computing Limited Affected up to 2.0.25.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-20893
2026-10-03 Alias added: GHSA-h2fp-m732-cq75

References

Other 2

TI-2025-24609 Improper restriction of communication channel to intended endpoints issue exists in… CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences