{"id":"CVE-2026-91311","kind":"vulnerability","aliases":["CVE-2026-91311"],"related":[],"title":"Oracle JD Edwards EnterpriseOne Tools: local low-privilege user can take over","description":"Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Installation Security).  Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools.  Successful attacks of this vulnerability can result in takeover of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","summary":"Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 have an installation security flaw. A low-privileged user with a logon on the host where the tools run can take over the product, with full confidentiality, integrity and availability impact.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterpriseone","jd-edwards","oracle","package","self-hosted"],"not_affected_if":["newer-release","no-enterpriseone"],"how_to_check":"- Confirm the installed EnterpriseOne Tools release is in the range `9.2.0.0` to `9.2.26.5`\n- unknown","fix":"- Move EnterpriseOne Tools to a release later than `9.2.26.5`, as published in Oracle's advisory\n- unknown","status":"open","published_at":"2026-10-20T22:20:32+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-25T03:08:47+00:00","updated_at":"2026-10-25T03:08:47+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T03:08:47Z","model":"claude-haiku-5-5","output":{"fix":"- Move EnterpriseOne Tools to a release later than `9.2.26.5`, as published in Oracle's advisory\n- unknown","reach":"local","title":"Oracle JD Edwards EnterpriseOne Tools: local low-privilege user can take over","impact":"high","summary":"Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 have an installation security flaw. A low-privileged user with a logon on the host where the tools run can take over the product, with full confidentiality, integrity and availability impact.","category":"package","nicknames":[],"who_cares":["jd-edwards","enterpriseone","oracle","self-hosted"],"confidence":0.7,"needs_auth":"yes","worst_case":"Low-privileged local user takes over the EnterpriseOne Tools installation","analyst_note":"Check Oracle's Critical Patch Update advisory for the fixed release and the exact installation-security check; the NVD entry does not give a fix version or detection step.","how_to_check":"- Confirm the installed EnterpriseOne Tools release is in the range `9.2.0.0` to `9.2.26.5`\n- unknown","needs_analyst":true,"not_affected_if":["newer-release","no-enterpriseone"],"who_is_affected":"Sites running Oracle JD Edwards EnterpriseOne Tools in the 9.2.0.0 to 9.2.26.5 range are affected. The attacker must already be able to log on to the machine where the tools execute, so exposure depends on who holds local accounts there. Teams on newer releases or with no EnterpriseOne deployment can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000654,"input_tokens":3504,"output_tokens":607,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-91311':15A,18A '/av':144C '3.1':131C,143C '7.8':134C '9.2.0.0':34B,90C '9.2.26.5':36B,91C 'affect':88C 'allow':95C 'attack':98C,117C 'avail':67B,138C 'base':132C 'compon':81C 'compromis':111C 'confidenti':64B,135C 'cve':13A,16A 'cvss':130C,140C,142C 'easili':92C 'edward':3A,22B,30B,73C,80C,106C,113C,127C 'enterpriseon':4A,19B,31B,74C,107C,114C,128C 'execut':109C 'exploit':93C 'flaw':41B 'full':63B 'h':152C 'h/a':151C 'h/i':150C 'host':27B,52B 'impact':68B,139C 'infrastructur':103C 'instal':39B,82C 'integr':65B,136C 'jd':2A,21B,29B,72C,79C,105C,112C,126C 'jd-edward':20B 'l/ac':145C 'l/pr':146C 'l/ui':147C 'local':6A 'logon':49B,100C 'low':8A,44B,96C 'low-privileg':7A,43B 'n/s':148C 'oracl':1A,23B,28B,78C 'packag':24B 'privileg':9A,45B,97C 'product':61B,76C 'result':122C 'run':56B 'score':133C 'secur':40B,83C 'self':26B 'self-host':25B 'success':116C 'support':84C 'take':12A,58B 'takeov':124C 'tool':5A,32B,55B,75C,108C,115C,129C 'u/c':149C 'user':10A,46B 'vector':141C 'version':33B,85C 'vulner':69C,94C,120C","nicknames":[],"mitigations":[],"who_affected":"Sites running Oracle JD Edwards EnterpriseOne Tools in the 9.2.0.0 to 9.2.26.5 range are affected. The attacker must already be able to log on to the machine where the tools execute, so exposure depends on who holds local accounts there. Teams on newer releases or with no EnterpriseOne deployment can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:20:32+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91311","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91311","severity":null,"published_at":"2026-10-20T22:20:32+00:00","modified_at":"2026-10-21T18:44:40+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","fetched_at":"2026-10-23T22:29:00+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"}