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CISA Known Exploited Vulnerabilities

Soliton Systems K.K FileZen OS Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2026-02-24
Remediation due
2026-03-17

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 notes
https://jvn.jp/en/jp/JVN84622767/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-25108

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.

Severity

CVSS 3.0 · CNA8.8 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 · CNA8.7 HIGH
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
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Exploitation Context

as of October 15, 2026
All KEV statistics→
  • CISA added CVE-2026-25108 to the KEV catalog 11 days after its CVE record was published. The median for entries added in 2026 so far is 14 days.
  • Its current EPSS score (5.2%) is higher than that of 19% of CISA KEV entries.

Affected Products

ProductAffected versions
Soliton Systems K.K.
FileZen
V5.0.0 to V5.0.10
Soliton Systems K.K.
FileZen
V4.2.1 to V4.2.8

References

2 Links

Record Details

Published
2026-02-13
Last updated
2026-02-26
Assigner (CNA)
jpcert
Credited to
-

Related

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.