CVE-2026-25108: Soliton Systems K.K FileZen · OS Command Injection
Affects Soliton Systems K.K FileZenSource CVE Database V5
Exploited in the wild · KEV due 17 Mar 2026 · 5% EPSS : apply the vendor's fix or mitigations to Soliton Systems K.K FileZen now.
Data as of 26 Oct 2026, 17:16 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 5.2% chance of exploitation in 30 days – higher than 92% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 13 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 11 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by JPCERT/CC
, 14 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 40 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 11 days after disclosure
KEV remediation due
US federal deadline
, 32 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Soliton Systems K.K.FileZen | Affected
| Fixed in– |
| Soliton Systems K.K.FileZen | Affected
| Fixed in– |
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.