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CVE-2026-25108

high

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.

References

https://jvn.jp/en/jp/JVN84622767/

https://www.helpnetsecurity.com/2026/02/25/cve-2026-25108-filezen-vulnerability-exploited/

https://thehackernews.com/2026/02/cisa-confirms-active-exploitation-of.html

https://securityaffairs.com/188473/hacking/u-s-cisa-adds-a-flaw-in-soliton-systems-k-k-filezen-to-its-known-exploited-vulnerabilities-catalog.html

https://www.cisa.gov/news-events/alerts/2026/02/24/cisa-adds-one-known-exploited-vulnerability-catalog

https://www.soliton.co.jp/support/2026/006657.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-25108

Details

Source: Mitre, NVD

Published: 2026-02-13

Updated: 2026-02-24

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: 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

Severity: High

EPSS

EPSS: 0.10129

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest