ACTIVELY EXPLOITED

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

Facts
VendorSoliton Systems K.K
ProductFileZen
Actively exploitedYes
Added to CISA KEV24 Feb 2026
CISA federal deadline17 Mar 2026
Weakness (CWE)CWE-78

Required action (CISA's text)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description (NVD)

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.

SOURCES

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.