Vulnerability Intelligence Report
Soliton Systems K.K FileZen OS Command Injection Vulnerability
CVE-2026-25108
FileZen contains an OS command injection vulnerability. When FileZen Antivirus Check Option is enabled, a logged-in user may send a specially crafted HTTP request to execute an arbitrary OS command.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:4.97%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)
CWE-78 ↗Improper neutralization of special elements used in an OS command ('OS Command Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Soliton Systems K.K. | FileZen | V5.0.0 to V5.0.10 (affected) |
| Soliton Systems K.K. | FileZen | V4.2.1 to V4.2.8 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | JPCERT/CC · CERT · Japan |
| Reserved | 2026-01-30T11:03:04 |
| Published | 2026-02-13T03:39:03 |
| Last Updated | 2026-02-26T14:44:20 |
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