CVE-2026-25108

Improper Neutralization of Special Elements used in an OS Command

CVSS 4.0 High 8.7Known exploited (CISA KEV)

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

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.

Key data

CVSS 4.0 High 8.7

Score published by jpcert in the CVE record.

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
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No measurable action is needed to get around the system's built-in security controls. The attack is repeatable.
Attack requirements: None
The attack works without any special deployment or execution conditions.
Privileges required: Low
A basic user account is needed.
User interaction: None
No action from any user is needed.
Vulnerable system: confidentiality: High
Serious or total effect on the secrecy of data.
Vulnerable system: integrity: High
Serious or total effect on the trustworthiness of data.
Vulnerable system: availability: High
Serious or total effect on availability.
Subsequent systems: confidentiality: None
No effect on other systems' data secrecy.
Subsequent systems: integrity: None
No effect on other systems' data trustworthiness.
Subsequent systems: availability: None
No effect on other systems' availability.

Metric	Value	What it means
Attack vector	Network	The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity	Low	No measurable action is needed to get around the system's built-in security controls. The attack is repeatable.
Attack requirements	None	The attack works without any special deployment or execution conditions.
Privileges required	Low	A basic user account is needed.
User interaction	None	No action from any user is needed.
Vulnerable system: confidentiality	High	Serious or total effect on the secrecy of data.
Vulnerable system: integrity	High	Serious or total effect on the trustworthiness of data.
Vulnerable system: availability	High	Serious or total effect on availability.
Subsequent systems: confidentiality	None	No effect on other systems' data secrecy.
Subsequent systems: integrity	None	No effect on other systems' data trustworthiness.
Subsequent systems: availability	None	No effect on other systems' availability.

CVSS 3.0 High 8.8

Score published by jpcert in the CVE record.

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

Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: Low
A basic user account is needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.

Metric	Value	What it means
Attack vector	Network	The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity	Low	No special conditions are needed. The attack can be repeated at will.
Privileges required	Low	A basic user account is needed.
User interaction	None	No action from any user is needed.
Scope	Unchanged	The impact stays within the vulnerable component.
Confidentiality impact	High	Serious or total effect on the secrecy of data.
Integrity impact	High	Serious or total effect on the trustworthiness of data.
Availability impact	High	Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.05249 (5.2% probability)
Percentile: 92.6%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog: Soliton Systems K.K FileZen OS Command Injection Vulnerability
Added to the catalog: Feb 24, 2026
Federal due date: Mar 17, 2026

CISA assessment as of Feb 25, 2026

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation: Recorded by CISA as active
Automatable: no
Technical impact: total

Weakness (CWE)

CWE catalog version 5.0.

CWE-78Improper Neutralization of Special Elements used in an OS Command

Affected products

Products listed in the CVE record, as the CNA published them.

Soliton Systems K.K. FileZen
- affected: V5.0.0 to V5.0.10
Soliton Systems K.K. FileZen
- affected: V4.2.1 to V4.2.8

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

ID reservedJan 30, 2026
Record publishedFeb 13, 2026
Added to CISA KEVFeb 24, 2026
Record last updatedFeb 26, 2026

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:12 UTC. Sources and licenses