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

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.

8.7 HIGHEPSS 5.24%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 10:24 UTC

OverviewCVSS details

8.7HIGHCVSS 4.0

Score source: jpcert (CNA)
NVD status: Analyzed
Published: Feb 13, 2026
Assigner: jpcert

Affected

FileZen (Soliton Systems K.K.)

Versions: V5.0.0 to V5.0.10

+1 more product →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Feb 24, 2026
KEV due date: Mar 17, 2026
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

5.24%chance of exploitation in 30 days

Higher than 92.59% of CVEs

CVSS 4.0 · jpcert (CNA)

8.7High

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: Low
User interaction: None
Confidentiality impact: High
Integrity impact: High
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · NVD

8.8High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.0 · jpcert (CNA)

8.8High

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
8.7	HIGH	4.0jpcert (CNA)	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8	HIGH	3.0jpcert (CNA)	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Mar 17, 2026

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

Details

CVE ID: CVE-2026-25108
Status: Analyzed
Assigner (CNA): jpcert
Published: Feb 13, 2026
Last modified: 2026-06-17 10:24 UTC
Weaknesses: CWE-78 · Improper neutralization of special elements used in an OS command ('OS Command Injection')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 10:15 UTC.