{"id":"CVE-2026-91307","kind":"vulnerability","aliases":["CVE-2026-91307"],"related":[],"title":"Oracle JD Edwards EnterpriseOne Tools: unauthenticated network access to data","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 unauthenticated attacker with network access via Oracle Net to compromise JD Edwards EnterpriseOne Tools.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).","summary":"Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 have an Installation Security flaw. A remote, unauthenticated attacker with network access via Oracle Net can read critical data the product can reach.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterpriseone","jd-edwards","on-prem","oracle","vendor"],"not_affected_if":["no-network-listener","patched-release"],"how_to_check":"- Check the installed EnterpriseOne Tools release against the affected range `9.2.0.0` to `9.2.26.5`\n- Confirm whether the Oracle Net listener is reachable from untrusted networks","fix":"- Apply the Oracle Critical Patch Update for JD Edwards EnterpriseOne Tools (Installation Security) and move past `9.2.26.5`\n- Restrict Oracle Net access to the EnterpriseOne Tools host to known networks until patched","status":"open","published_at":"2026-10-20T22:20:32+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-25T03:18:34+00:00","updated_at":"2026-10-25T03:18:34+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:18:34Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update for JD Edwards EnterpriseOne Tools (Installation Security) and move past `9.2.26.5`\n- Restrict Oracle Net access to the EnterpriseOne Tools host to known networks until patched","reach":"network","title":"Oracle JD Edwards EnterpriseOne Tools: unauthenticated network access to data","impact":"high","summary":"Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 have an Installation Security flaw. A remote, unauthenticated attacker with network access via Oracle Net can read critical data the product can reach.","category":"vendor","nicknames":[],"who_cares":["jd-edwards","enterpriseone","oracle","on-prem"],"confidence":0.6,"needs_auth":"no","worst_case":"unauthenticated attacker reads critical JD Edwards data over the network","analyst_note":"Check Oracle's CPU advisory for the patch level and any listed workaround; the NVD entry gives no fix or detection steps.","how_to_check":"- Check the installed EnterpriseOne Tools release against the affected range `9.2.0.0` to `9.2.26.5`\n- Confirm whether the Oracle Net listener is reachable from untrusted networks","needs_analyst":true,"not_affected_if":["patched-release","no-network-listener"],"who_is_affected":"Organizations running JD Edwards EnterpriseOne Tools release 9.2.0.0 through 9.2.26.5 with Oracle Net reachable from the network. The sources do not describe a specific configuration that makes it exploitable beyond that. Teams on newer releases or with no network path to the listener can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00067,"input_tokens":3494,"output_tokens":641,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-91307':13A,16A '/av':134C '3.1':124C,133C '7.5':127C '9.2.0.0':32B,79C '9.2.26.5':34B,80C 'access':8A,46B,89C,108C,114C,121C 'affect':77C 'allow':84C 'attack':43B,86C,100C 'base':125C 'complet':113C 'compon':70C 'compromis':94C 'confidenti':128C 'critic':52B,110C 'cve':11A,14A 'cvss':123C,130C,132C 'data':10A,53B,111C,122C 'easili':81C 'edward':3A,20B,28B,62C,69C,96C,118C 'enterpriseon':4A,17B,29B,63C,97C,119C 'exploit':82C 'flaw':39B 'h/i':140C 'impact':129C 'instal':37B,71C 'jd':2A,19B,27B,61C,68C,95C,117C 'jd-edward':18B 'l/pr':136C 'n':142C 'n/a':141C 'n/ac':135C 'n/s':138C 'n/ui':137C 'net':49B,92C 'network':7A,45B,88C 'on-prem':21B 'oracl':1A,24B,26B,48B,67C,91C 'prem':23B 'product':55B,65C 'reach':57B 'read':51B 'remot':41B 'result':105C 'score':126C 'secur':38B,72C 'success':99C 'support':73C 'tool':5A,30B,64C,98C,120C 'u/c':139C 'unauthent':6A,42B,85C 'unauthor':107C 'vector':131C 'vendor':25B 'version':31B,74C 'via':47B,90C 'vulner':58C,83C,103C","nicknames":[],"mitigations":[],"who_affected":"Organizations running JD Edwards EnterpriseOne Tools release 9.2.0.0 through 9.2.26.5 with Oracle Net reachable from the network. The sources do not describe a specific configuration that makes it exploitable beyond that. Teams on newer releases or with no network path to the listener 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91307","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91307","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"}