CVE-2026-25108FileZen contains an OS command injection vulnerability.
Updated under an hour ago ()
Does this affect you?
It affects Soliton Systems K.K. FileZen and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Feb 24, 2026; federal agencies had to remediate by Mar 17, 2026. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 8.7 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Feb 24, 2026; federal remediation due Mar 17, 2026Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 5.25% (percentile 92)
- Assigned by
- jpcert
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Soliton Systems K.K. FileZen soliton_systems_k.k:filezen (from the name) | V5.0.0 to V5.0.10 | CNA record |
soliton filezen soliton:filezen | from 4.2.1 before 5.0.11 | NVD |
References
- https://www.soliton.co.jp/support/2026/006657.htmlvendor-advisory
- https://jvn.jp/en/jp/JVN84622767/third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-25108us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.