Actively exploited · Published Feb 13, 2026 · Assigned by jpcert
CVE-2026-25108
High 8.8 Exploited
In plain English
A high-severity OS command injection in FileZen from Soliton Systems K.K.. Attackers are actively exploiting it in the wild (listed by CISA on February 24, 2026). The chance it is exploited in the next 30 days is estimated at 5.2% (higher than 93% of all known vulnerabilities). 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 guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Mar 17, 2026.
Official 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.
Affected products (as reported)
| Vendor | Product | 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 |
Weakness: CWE-78 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H