CVE-2026-25108 — Soliton Systems K.K FileZen OS Command Injection Vulnerability

Overview

Soliton Systems K.K FileZen contains an OS command injection vulnerability when an user logs-in to the affected product and sends a specially crafted HTTP request.

Vulnerability details

CVE ID

CVE-2026-25108

Vulnerability

Soliton Systems K.K FileZen OS Command Injection Vulnerability

Vendor

Soliton Systems K.K

Affected products

Soliton Systems K.K: FileZen

Severity

HIGH

Exploitation status

Actively exploited in the wild (CISA KEV)

EPSS score

5.0% probability of exploitation in 30 days · 91th percentile

Published

2026-02-24

Remediation guidance

CVE-2026-25108 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.

Apply the vendor's official security update for Soliton Systems K.K the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

FIRST EPSS estimates a 5.0% probability that CVE-2026-25108 will be exploited within the next 30 days (91th percentile of all CVEs) — useful for risk-based patch sequencing.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

• NVD — National Vulnerability Database
• MITRE CVE Record
• CISA Known Exploited Vulnerabilities Catalog
• FIRST EPSS — Exploit Prediction Scoring