CVE-2026-25108: Soliton Systems K.K FileZen OS Command Injection Vulnerability
High · CVSS 8.8 (CVSS 3.1)KEV known exploitedEPSS 5.2%, 92th percentilePublished Updated Assigner: jpcert
In CISA’s Known Exploited Vulnerabilities catalog: Soliton Systems K.K FileZen OS Command Injection Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
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.
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.
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · CWE-78
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Soliton Systems K.K.: FileZen
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- jvn.jp/en/jp/JVN84622767/ (opens in new tab)
- www.soliton.co.jp/support/2026/006657.html (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)