{"id":"CVE-2026-105227","kind":"vulnerability","aliases":["CVE-2026-105227"],"related":[],"title":"Delta ISPSoft: remote attackers can disclose sensitive information","description":"This vulnerability allows remote attackers to disclose sensitive information on affected installations of Delta ISPSoft.","summary":"Out-of-bounds read (CWE-125) in Delta ISPSoft, the PLC programming software, before v3.25. Delta's advisory says to upgrade to v3.25 or later; there is no workaround. The CVSS vector requires user interaction, so the likely trigger is opening a crafted project file.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"ISPSoft","fixed":["3.25"],"affected":"< 3.25","ecosystem":"vendor"}],"ecosystems":[],"tags":["delta-ispsoft","engineering-workstation","industrial-control","infrastructure","plc","windows"],"not_affected_if":["ispsoft-3.25-or-later"],"how_to_check":"In ISPSoft, open Help > About and read the version. Anything below 3.25 is affected.","fix":"Upgrade ISPSoft to v3.25 or later from the Delta Download Center. Delta lists no workaround.","status":"open","published_at":"2026-10-16T03:17:58+00:00","first_seen_at":"2026-10-23T21:57:12+00:00","triaged_at":"2026-10-25T03:38:30+00:00","updated_at":"2026-10-25T03:48:58+00:00","category":"infrastructure","confidence":0.85,"triage":{"at":"2026-10-25T03:38:30Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Delta ISPSoft: remote attackers can disclose sensitive information","impact":"medium","summary":"Delta ISPSoft, an industrial PLC programming tool, has a flaw that lets a remote attacker read sensitive information from affected installations. The sources do not describe the data exposed or the vulnerable component.","category":"infrastructure","nicknames":[],"who_cares":["delta-ispsoft","industrial-control","plc"],"confidence":0.35,"needs_auth":"unknown","worst_case":"Sensitive information disclosed to remote attackers; exact data unknown.","analyst_note":"Check the NVD entry and the Delta Electronics advisory for affected versions, the vulnerable component and whether auth is needed.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000501,"input_tokens":3254,"output_tokens":351,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check the NVD entry and the Delta Electronics advisory for affected versions, the vulnerable component and whether auth is needed.","search":"'-105227':11A,14A '-125':34B '-2026':10A,13A 'advisori':46B 'affect':84C 'allow':76C 'attack':4A,78C 'bound':31B 'control':24B 'craft':71B 'cve':9A,12A 'cvss':59B 'cwe':33B 'delta':1A,17B,36B,44B,87C 'delta-ispsoft':16B 'disclos':6A,80C 'engin':20B 'engineering-workst':19B 'file':73B 'industri':23B 'industrial-control':22B 'inform':8A,82C 'infrastructur':25B 'instal':85C 'interact':63B 'ispsoft':2A,15A,18B,37B,88C 'later':53B 'like':66B 'open':69B 'out-of-bound':28B 'plc':26B,39B 'program':40B 'project':72B 'read':32B 'remot':3A,77C 'requir':61B 'say':47B 'sensit':7A,81C 'softwar':41B 'trigger':67B 'upgrad':49B 'user':62B 'v3.25':43B,51B 'vector':60B 'vulner':75C 'window':27B 'workaround':57B 'workstat':21B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{"fix":{"at":"2026-10-25T03:48:58Z","by":"analyst","run_id":800},"products":{"at":"2026-10-25T03:48:58Z","by":"analyst","run_id":800}},"analyst_revisit_at":null,"first_public_at":"2026-10-16T03:17:58+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/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":"759f5e80-c8e1-4224-bead-956d7b33c98b","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105227","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105227","severity":null,"published_at":"2026-10-16T03:17:58+00:00","modified_at":"2026-10-16T17:17:22+00:00","first_seen_at":"2026-10-23T21:57:12+00:00","fetched_at":"2026-10-23T22:28:54+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-105227:800","url":null,"severity":null,"published_at":"2026-10-25T03:48:58+00:00","modified_at":"2026-10-25T03:48:58+00:00","first_seen_at":"2026-10-25T03:48:58+00:00","fetched_at":"2026-10-25T03:48:58+00:00","note":"Delta PCSA-2026-00016 (primary): CWE-125 OOB read in ISPSoft < 3.25, fixed in 3.25; no workaround. Sibling CVE-2026-105228 same advisory. Client-side file parsing needing user interaction per third-party analysis (not vendor-stated); no exploitation/PoC found. X/social not searched."}],"documents":[{"id":3356,"url":"https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00016_ISPSoft%20Out-of-Bounds%20Read%20Vulnerability.pdf","title":"Delta-PCSA-2026-00016 ISPSoft Out-of-Bounds Read Vulnerability","kind":"advisory","source":"analyst","text":"Delta Electronics PCSA, V1.0 2026-10-04. ISPSoft prior to v3.25 affected. CWE-125 Out-of-Bounds Read, High, CVSS v4 7.0, CVE-2026-105227 and CVE-2026-105228. Workaround: No. Mitigation: download and upgrade to ISPSoft v3.25 or later from Delta Download Center. Recommendation: do not click untrusted Internet links.","published_at":null,"relation":"advisory","confidence":null,"note":null},{"id":3358,"url":"https://www.cve.org/cverecord?id=CVE-2026-105227","title":"CVE Record CVE-2026-105227","kind":"other","source":"analyst","text":"CWE-125. CVSS 4.0 7.0 AV:N/UI:A. Affected from 0 before 3.25. Finder: Nanjing YunShangHuaAn Technology.","published_at":null,"relation":"describes","confidence":null,"note":null}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}