Soliton Systems K.K · Code execution
Soliton Systems K.K FileZen OS Command Injection Vulnerability
At a glance
Actively exploited in the wild — prioritise confirming exposure.
High rather than Critical: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Soliton Systems K.K FileZen, treat it as Critical.
Briefing
- Do not treat uncorroborated claims as confirmed breaches.
Questions to ask IT
- Do we run Soliton Systems K.K FileZen, and which versions?
- Is any of it reachable from the internet?
- Have we checked whether it has already been used against us?
- If it is still not patched, what mitigation is in place, and what is holding the fix up?
Next steps
- Confirm exposure, mitigation status and any service interruption risk.
Vulnerability facts
Full CVE detail CVE-2026-25108- 8.7 · HighExploitable over the network with a low-privilege account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Listed: attacks using it have been seen (on the catalogue since )
- ~5.2% estimated chance of attack in 30 days
- CVE-2026-25108 has estimated attack likelihood 0.04979 (~5% estimated chance of exploitation in 30 days; 91.3th percentile) as of 2026-07-31 — probability signal, not confirmed exploitation
Next steps
- Confirm whether affected products/versions are present and prioritise patching or mitigations
Summary
- K FileZen contains an OS command injection vulnerability when an user logs-in to the affected product and sends a specially crafted HTTP request.
- CVE-2026-25108 is listed in known-exploited catalogue (exploitation in the wild)
- 04979 (~5% estimated chance of exploitation in 30 days; 91.
- Authoritative catalogues report active exploitation of this vulnerability.
Why this matters in the UK
- Known-exploited catalogue reports exploitation in the wild
Products and services involved
- Soliton Systems K.K FileZen82% match confidence · CVE-2026-25108
Part of Multiple OS command injection vulnerabilities disclosed
Pulse
Last checked 4d ago · Recheck overdue since 5 Nov 2026, 21:39 UK time · 2 quiet checks collapsed
held at 5.0%; ranking metadata was updated.
Listed on the — prioritise confirming exposure and patching.
1 quiet check hidden.
Sources
Soliton Systems K.K FileZen OS Command Injection Vulnerability
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ConfirmedHeadline90% confidence
Soliton Systems K.K FileZen OS Command Injection Vulnerability
- ConfirmedSummary fact75% confidence
Soliton Systems K.K FileZen contains an OS command injection vulnerability when an user logs-in to the affected product and sends a specially crafted HTTP request. Affects Soliton Systems K.K FileZen. Known ransomware campaign 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.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-25108
- ConfirmedKnown-exploited catalogue98% confidence
CVE-2026-25108 is listed in known-exploited catalogue (exploitation in the wild)
- ConfirmedEstimated attack likelihood95% confidence
CVE-2026-25108 has estimated attack likelihood 0.04979 (~5% estimated chance of exploitation in 30 days; 91.3th percentile) as of 2026-07-31 — probability signal, not confirmed exploitation