{"id":"CVE-2026-25108","kind":"vulnerability","aliases":["CVE-2026-25108"],"related":[],"title":"soliton filezen: FileZen contains an OS command injection vulnerability","description":"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.\n\nCISA 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.","summary":"Soliton Systems FileZen, a file transfer product, has an OS command injection flaw triggered by a specially crafted HTTP request sent by a logged-in user. An attacker who can log in can run operating system commands on the server.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2026-02-24T00:00:00+00:00","products":[{"name":"Soliton Systems K.K FileZen","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"soliton filezen","fixed":["5.0.11"],"affected":">= 4.2.1, < 5.0.11","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","file-transfer","filezen","other","self-hosted"],"not_affected_if":[],"how_to_check":null,"fix":"Apply the vendor mitigations per CISA guidance; the source does not name a fixed version. If no mitigation is available, discontinue use of the product.","status":"open","published_at":"2026-02-13T04:15:53+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:42:11+00:00","updated_at":"2026-10-23T23:44:51+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T20:42:11Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor mitigations per CISA guidance; the source does not name a fixed version. If no mitigation is available, discontinue use of the product.","reach":"network","summary":"Soliton Systems FileZen, a file transfer product, has an OS command injection flaw triggered by a specially crafted HTTP request sent by a logged-in user. An attacker who can log in can run operating system commands on the server.","category":"other","who_cares":["filezen","self-hosted","file-transfer"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker runs OS commands on the FileZen server after logging in.","analyst_note":"Find the Soliton vendor advisory for CVE-2026-25108 to get affected and fixed versions and the mitigation steps; the KEV entry lists none.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000427,"input_tokens":2548,"output_tokens":344,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':111C '-2026':11A,14A '-25108':12A,15A '22':110C 'action':101C 'affect':90C 'appli':102C 'applic':108C 'attack':59B 'bod':109C 'cisa':99C 'cloud':114C 'command':7A,41B,68B,79C 'contain':4A,76C 'craft':48B,96C 'cve':10A,13A 'discontinu':117C 'exploit':22B 'file':24B,35B 'file-transf':23B 'filezen':2A,3A,19A,21A,26B,33B,75C 'flaw':43B 'follow':107C 'guidanc':112C 'host':30B 'http':49B,97C 'inject':8A,42B,80C 'instruct':106C 'k.k':18A,74C 'log':55B,62B,86C 'logged-in':54B 'logs-in':85C 'mitig':103C,123C 'oper':66B 'os':6A,40B,78C 'per':104C 'product':37B,91C,121C 'request':50B,98C 'requir':100C 'run':65B 'self':29B 'self-host':28B 'send':93C 'sent':51B 'server':71B 'servic':115C 'soliton':1A,16A,20A,31B,72C 'special':47B,95C 'system':32B,67B,73C 'systems':17A 'transfer':25B,36B 'trigger':44B 'unavail':125C 'use':118C 'user':57B,84C 'vendor':105C 'vulner':9A,81C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-02-13T04:15:53+00:00","kev":{"dateAdded":"2026-02-24","dueDate":"2026-03-17","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_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/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","cvss_by":"vultures@jpcert.or.jp","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2026-25108","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-25108","severity":null,"published_at":"2026-02-24T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T13:39:29+00:00","note":null},{"source":"nvd","external_id":"CVE-2026-25108","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25108","severity":null,"published_at":"2026-02-13T04:15:53+00:00","modified_at":"2026-06-17T10:24:07+00:00","first_seen_at":"2026-10-23T23:44:51+00:00","fetched_at":"2026-10-23T23:44:51+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}