{"id":"CVE-2026-76937","kind":"vulnerability","aliases":["CVE-2026-76937"],"related":[],"title":"JP1 Automatic Job Management System 3: heap overflow in Manager","description":"Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3.\n\n\nThis issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.","summary":"JP1/Automatic Job Management System 3 Manager has a heap-based buffer overflow in versions 10-00 up to 13-50-31. The sources do not say which request triggers it, but a heap overflow in a job scheduler's manager can let an attacker run code on the server.","severity":"critical","cvss":9.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["automatic-job-management-system-3","hitachi","job-scheduler","jp1","other"],"not_affected_if":["version-outside-10-00-to-13-50-31"],"how_to_check":"- Check the installed JP1/Automatic Job Management System 3 Manager version against `13-50-31`; versions from `10-00` before `13-50-31` are affected.","fix":"- Update JP1/Automatic Job Management System 3 Manager to `13-50-31` or later (unknown whether a specific fixed build is named in the sources).","status":"open","published_at":"2026-10-27T10:16:55+00:00","first_seen_at":"2026-10-27T10:31:02+00:00","triaged_at":"2026-10-27T10:31:47+00:00","updated_at":"2026-10-27T10:31:47+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-10-27T10:31:47Z","model":"claude-haiku-5-5","output":{"fix":"- Update JP1/Automatic Job Management System 3 Manager to `13-50-31` or later (unknown whether a specific fixed build is named in the sources).","reach":"unknown","title":"JP1 Automatic Job Management System 3: heap overflow in Manager","impact":"high","summary":"JP1/Automatic Job Management System 3 Manager has a heap-based buffer overflow in versions 10-00 up to 13-50-31. The sources do not say which request triggers it, but a heap overflow in a job scheduler's manager can let an attacker run code on the server.","category":"other","nicknames":[],"who_cares":["jp1","automatic-job-management-system-3","job-scheduler","hitachi"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker may run code on the job manager server","analyst_note":"Check the vendor advisory from Hitachi for the trigger, required access, and the exact fixed version; the NVD entry alone does not say.","how_to_check":"- Check the installed JP1/Automatic Job Management System 3 Manager version against `13-50-31`; versions from `10-00` before `13-50-31` are affected.","needs_analyst":true,"not_affected_if":["version-outside-10-00-to-13-50-31"],"who_is_affected":"Teams running the Manager component of JP1/Automatic Job Management System 3 in the affected version range. The sources do not say which network services or configurations are exposed, so whether internet-facing or internal-only deployments are at risk is unknown. Installations outside the listed version range are not affected.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000618,"input_tokens":3292,"output_tokens":578,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-00':44B,101C '-2026':12A,15A '-31':49B,105C '-50':48B,104C '-76937':13A,16A '10':43B,100C '13':47B,103C '3':6A,22B,32B,89C,97C 'affect':92C 'attack':72B 'automat':2A,18B 'automatic-job-management-system':17B 'base':38B,80C 'buffer':39B,81C 'code':74B 'cve':11A,14A 'heap':7A,37B,61B,79C 'heap-bas':36B,78C 'hitachi':23B 'issu':91C 'job':3A,19B,25B,29B,65B,86C,94C 'job-schedul':24B 'jp1':1A,27B 'jp1/automatic':28B,85C,93C 'let':70B 'manag':4A,10A,20B,30B,33B,68B,87C,95C,98C 'overflow':8A,40B,62B,82C 'request':56B 'run':73B 'say':54B 'schedul':26B,66B 'server':77B 'sourc':51B 'system':5A,21B,31B,88C,96C 'trigger':57B 'version':42B 'vulner':83C","nicknames":[],"mitigations":[],"who_affected":"Teams running the Manager component of JP1/Automatic Job Management System 3 in the affected version range. The sources do not say which network services or configurations are exposed, so whether internet-facing or internal-only deployments are at risk is unknown. Installations outside the listed version range are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T10:16:55+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-2026-76937","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76937","severity":null,"published_at":"2026-10-27T10:16:55+00:00","modified_at":"2026-10-27T10:16:55+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"}