{"id":"CVE-2026-76933","kind":"vulnerability","aliases":["CVE-2026-76933"],"related":[],"title":"JP1 Automatic Job Management System 3: heap overflow in Manager and Agent","description":"Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3.\n\nThis issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.","summary":"JP1/Automatic Job Management System 3 Manager and Agent versions 11-00 through 13-50-30 contain a heap-based buffer overflow. The sources do not state the exact trigger or whether code execution is possible, but a heap overflow in this class of service typically crashes or hands control to a remote attacker.","severity":"critical","cvss":9.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["automatic-job-management","enterprise-infrastructure","infrastructure","job-scheduling","jp1"],"not_affected_if":["not-in-affected-version-range"],"how_to_check":"- Check the installed JP1/Automatic Job Management System 3 Manager and Agent versions on each host (unknown command; check the vendor's version view).\n- Flag any install from `11-00` up to but not including `13-50-31`.","fix":"- Upgrade JP1/Automatic Job Management System 3 Manager and Agent to `13-50-31` or later.\n- Vendor advisory link and exact patch steps: unknown.","status":"open","published_at":"2026-10-27T10:16:54+00:00","first_seen_at":"2026-10-27T10:31:02+00:00","triaged_at":"2026-10-27T10:31:51+00:00","updated_at":"2026-10-27T10:31:51+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-27T10:31:51Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade JP1/Automatic Job Management System 3 Manager and Agent to `13-50-31` or later.\n- Vendor advisory link and exact patch steps: unknown.","reach":"unknown","title":"JP1 Automatic Job Management System 3: heap overflow in Manager and Agent","impact":"high","summary":"JP1/Automatic Job Management System 3 Manager and Agent versions 11-00 through 13-50-30 contain a heap-based buffer overflow. The sources do not state the exact trigger or whether code execution is possible, but a heap overflow in this class of service typically crashes or hands control to a remote attacker.","category":"infrastructure","nicknames":[],"who_cares":["jp1","automatic-job-management","job-scheduling","enterprise-infrastructure"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Remote attacker may crash the service or run code","analyst_note":"Find the vendor advisory (Hitachi) and confirm the trigger, required access, and fixed version; the NVD entry alone gives no exploitation detail.","how_to_check":"- Check the installed JP1/Automatic Job Management System 3 Manager and Agent versions on each host (unknown command; check the vendor's version view).\n- Flag any install from `11-00` up to but not including `13-50-31`.","needs_analyst":true,"not_affected_if":["not-in-affected-version-range"],"who_is_affected":"Any host running JP1/Automatic Job Management System 3 Manager or Agent in the affected range is in scope. The sources do not say what network exposure or configuration is needed to reach the overflow, so treat internet- or network-reachable job servers as priority.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000646,"input_tokens":3327,"output_tokens":626,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-00':41B,108C,121C '-2026':14A,17A '-30':45B '-31':112C,125C '-50':44B,111C,124C '-76933':15A,18A '11':40B,107C,120C '13':43B,110C,123C '3':6A,35B,96C,104C,117C 'affect':99C 'agent':12A,38B,118C 'attack':84B 'automat':2A,20B 'automatic-job-manag':19B 'base':50B,87C 'buffer':51B,88C 'class':73B 'code':63B 'contain':46B 'control':80B 'crash':77B 'cve':13A,16A 'enterpris':24B 'enterprise-infrastructur':23B 'exact':59B 'execut':64B 'hand':79B 'heap':7A,49B,69B,86C 'heap-bas':48B,85C 'infrastructur':25B,26B 'issu':98C 'job':3A,21B,28B,32B,93C,101C,114C 'job-schedul':27B 'jp1':1A,30B 'jp1/automatic':31B,92C,100C,113C 'manag':4A,10A,22B,33B,36B,94C,102C,105C,115C 'overflow':8A,52B,70B,89C 'possibl':66B 'remot':83B 'schedul':29B 'servic':75B 'sourc':54B 'state':57B 'system':5A,34B,95C,103C,116C 'trigger':60B 'typic':76B 'version':39B 'vulner':90C 'whether':62B","nicknames":[],"mitigations":[],"who_affected":"Any host running JP1/Automatic Job Management System 3 Manager or Agent in the affected range is in scope. The sources do not say what network exposure or configuration is needed to reach the overflow, so treat internet- or network-reachable job servers as priority.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T10:16:54+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","cvss_by":"hirt@hitachi.co.jp","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-76933","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76933","severity":null,"published_at":"2026-10-27T10:16:54+00:00","modified_at":"2026-10-27T10:16:54+00:00","first_seen_at":"2026-10-27T10:31:02+00:00","fetched_at":"2026-10-27T10:31:02+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"}