{"id":"CVE-2026-110322","kind":"vulnerability","aliases":["CVE-2026-110322"],"related":[],"title":"PEAK-System PCAN driver: unvalidated object pointer dereference in type 0x4030 handling","description":"The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing.","summary":"PEAK-System's PCAN processing path for type 0x4030 uses a selected or returned object pointer without validating it before reading fixed fields during post-processing. The sources do not say what an attacker gains beyond a memory fault, so the impact is unknown.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","pcan","peak-system"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-20T21:17:16+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","triaged_at":"2026-10-25T03:44:35+00:00","updated_at":"2026-10-25T03:44:35+00:00","category":"infrastructure","confidence":0.3,"triage":{"at":"2026-10-25T03:44:35Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"PEAK-System PCAN driver: unvalidated object pointer dereference in type 0x4030 handling","impact":"medium","summary":"PEAK-System's PCAN processing path for type 0x4030 uses a selected or returned object pointer without validating it before reading fixed fields during post-processing. The sources do not say what an attacker gains beyond a memory fault, so the impact is unknown.","category":"infrastructure","nicknames":[],"who_cares":["peak-system","pcan"],"confidence":0.3,"needs_auth":"unknown","worst_case":"unknown; the sources do not say what an attacker gets","analyst_note":"Find the vendor advisory or NVD CNA details for the affected PCAN product, versions and attack vector at https://nvd.nist.gov/vuln/detail/CVE-2026-110322.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000519,"input_tokens":3271,"output_tokens":384,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-110322':16A,19A '-2026':15A,18A '0x4030':12A,34B,77C 'attack':60B 'beyond':62B 'cve':14A,17A 'derefer':9A 'dereferenc':88C 'driver':5A 'fail':80C 'fault':65B 'field':48B,90C 'fix':47B,89C 'gain':61B 'handl':13A 'impact':68B 'infrastructur':20B 'memori':64B 'object':7A,40B,85C 'path':31B,79C 'pcan':4A,21B,29B,75C 'peak':2A,23B,26B,73C 'peak-system':1A,22B,25B,72C 'pointer':8A,41B,86C 'post':51B,93C 'post-process':50B,92C 'process':30B,52B,78C,94C 'read':46B 'return':39B 'say':57B 'select':37B 'selected/returned':84C 'sourc':54B 'system':3A,24B,27B,74C 'type':11A,33B,76C 'unknown':70B 'unvalid':6A 'use':35B 'valid':43B,82C 'without':42B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T21:17:16+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/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":"ics-cert@hq.dhs.gov","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-110322","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110322","severity":null,"published_at":"2026-10-20T21:17:16+00:00","modified_at":"2026-10-22T17:36:46+00:00","first_seen_at":"2026-10-23T21:57:21+00:00","fetched_at":"2026-10-23T22:28:58+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"}