{"id":"CVE-2026-107894","kind":"vulnerability","aliases":["CVE-2026-107894"],"related":[],"title":"Fuji Electric V-SFT: crafted V7 file overflows stack, runs code","description":"V-SFT provided by FUJI ELECTRIC CO., LTD. contains a stack-based buffer overflow vulnerability. Opening a crafted V7 file may lead to information exposure or arbitrary code execution on the affected product.","summary":"V-SFT, Fuji Electric's HMI configuration software, has a stack-based buffer overflow. Opening a crafted V7 file may expose information or let an attacker run arbitrary code on the machine running it.","severity":"high","cvss":8.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["fuji-electric","industrial-control","other","v-sft","windows"],"not_affected_if":["v-sft-not-installed"],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-26T07:17:07+00:00","first_seen_at":"2026-10-26T07:28:49+00:00","triaged_at":"2026-10-26T07:29:53+00:00","updated_at":"2026-10-26T07:29:53+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-26T07:29:53Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"Fuji Electric V-SFT: crafted V7 file overflows stack, runs code","impact":"high","summary":"V-SFT, Fuji Electric's HMI configuration software, has a stack-based buffer overflow. Opening a crafted V7 file may expose information or let an attacker run arbitrary code on the machine running it.","category":"other","nicknames":[],"who_cares":["fuji-electric","v-sft","industrial-control","windows"],"confidence":0.6,"needs_auth":"no","worst_case":"Code runs on the engineering workstation after a crafted file is opened","analyst_note":"Find the affected V-SFT versions and the fixed release in Fuji Electric's advisory, linked from https://nvd.nist.gov/vuln/detail/CVE-2026-107894.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":["v-sft-not-installed"],"who_is_affected":"Teams that run Fuji Electric V-SFT to configure operator panels, typically on industrial engineering workstations, are exposed when they open V7 project files. The sources do not list affected V-SFT versions. Teams that do not use V-SFT can skip this.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000558,"input_tokens":3283,"output_tokens":460,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-107894':15A,18A '-2026':14A,17A 'affect':98C 'arbitrari':59B,93C 'attack':57B 'base':43B,78C 'buffer':44B,79C 'co':72C 'code':12A,60B,94C 'configur':37B 'contain':74C 'control':24B 'craft':6A,48B,84C 'cve':13A,16A 'electr':2A,21B,34B,71C 'execut':95C 'expos':52B 'exposur':91C 'file':8A,50B,86C 'fuji':1A,20B,33B,70C 'fuji-electr':19B 'hmi':36B 'industri':23B 'industrial-control':22B 'inform':53B,90C 'lead':88C 'let':55B 'ltd':73C 'machin':63B 'may':51B,87C 'open':46B,82C 'overflow':9A,45B,80C 'product':99C 'provid':68C 'run':11A,58B,64B 'sft':5A,28B,32B,67C 'softwar':38B 'stack':10A,42B,77C 'stack-bas':41B,76C 'v':4A,27B,31B,66C 'v-sft':3A,26B,30B,65C 'v7':7A,49B,85C 'vulner':81C 'window':29B","nicknames":[],"mitigations":[],"who_affected":"Teams that run Fuji Electric V-SFT to configure operator panels, typically on industrial engineering workstations, are exposed when they open V7 project files. The sources do not list affected V-SFT versions. Teams that do not use V-SFT can skip this.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T07:17:07+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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":"nvd","external_id":"CVE-2026-107894","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107894","severity":null,"published_at":"2026-10-26T07:17:07+00:00","modified_at":"2026-10-26T07:17:07+00:00","first_seen_at":"2026-10-26T07:28:49+00:00","fetched_at":"2026-10-26T07:28:49+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"}