RCE in Soliton Systems K.k. Filezen

CVE-2026-25108

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.084 (92.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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.

References

Frequently asked questions

What is CVE-2026-25108?
CVE-2026-25108 is a high-severity vulnerability in Soliton Systems K.k. Filezen, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-02-13.
How severe is CVE-2026-25108?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-25108 known to be exploited?
Yes. CVE-2026-25108 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-24), indicating it is being actively exploited.