CVE-2026-25108
HighActively exploited (CISA KEV)
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductSoliton Systems K.K FileZen
PublishedFeb 13, 2026
First seenFeb 13, 2026
Added to KEVFeb 24, 2026
Weakness typeCWE-78OS command injection
How to fix
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: Mar 17, 2026Update
- soliton filezen5.0.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| soliton filezen | 4.2.1 ≤ v < 5.0.11 | 5.0.11 |
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