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.

Severity (CVSS 3.0)8.8High
Exploit odds (30 days)5.2%top 7.4% of all CVEs
Exploited in the wildYesCISA KEV since Feb 24, 2026
Attack toolingNoneno public tooling known

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)

VendorProductVersions
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

References