{"id":"CVE-2026-91309","kind":"vulnerability","aliases":["CVE-2026-91309"],"related":[],"title":"Oracle JD Edwards EnterpriseOne Tools: flaw lets unauthenticated network attackers reach data","description":"Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Interoperability SEC).  Supported versions that are affected are 9.2.0.0-9.2.26.5. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS 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 5.9 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/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 contain a flaw in the Interoperability Security component. A difficult-to-exploit attack over HTTPS, requiring no login, can grant access to critical data accessible to the product.","severity":"medium","cvss":5.9,"epss":0.00318,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterpriseone","erp","jd-edwards","oracle","other"],"not_affected_if":["not-jde-enterpriseone","outside-9.2.0.0-9.2.26.5"],"how_to_check":"- Check the installed EnterpriseOne Tools release against the affected range `9.2.0.0` to `9.2.26.5`\n- Review the Oracle Security Alert or Critical Patch Update notice for the patch level applicable to your release (unknown from sources)","fix":"- Apply the Oracle Critical Patch Update fix for JD Edwards EnterpriseOne Tools (patched version unknown from sources)\n- Restrict HTTPS access to the EnterpriseOne Tools interoperability endpoints to trusted 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":"2026-10-25T04:08:14+00:00","updated_at":"2026-10-25T12:38:52+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-25T04:08:14Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for JD Edwards EnterpriseOne Tools (patched version unknown from sources)\n- Restrict HTTPS access to the EnterpriseOne Tools interoperability endpoints to trusted networks until patched","reach":"internet","title":"Oracle JD Edwards EnterpriseOne Tools: flaw lets unauthenticated network attackers reach data","impact":"medium","summary":"Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 contain a flaw in the Interoperability Security component. A difficult-to-exploit attack over HTTPS, requiring no login, can grant access to critical data accessible to the product.","category":"other","nicknames":[],"who_cares":["jd-edwards","enterpriseone","oracle","erp"],"confidence":0.6,"needs_auth":"no","worst_case":"Unauthenticated attacker reads critical JD Edwards data over HTTPS","analyst_note":"Check the Oracle Critical Patch Update advisory for the fixed release and the exact configuration needed to expose the Interoperability Security component (https://nvd.nist.gov/vuln/detail/CVE-2026-91309).","how_to_check":"- Check the installed EnterpriseOne Tools release against the affected range `9.2.0.0` to `9.2.26.5`\n- Review the Oracle Security Alert or Critical Patch Update notice for the patch level applicable to your release (unknown from sources)","needs_analyst":true,"not_affected_if":["not-jde-enterpriseone","outside-9.2.0.0-9.2.26.5"],"who_is_affected":"Organizations running Oracle JD Edwards EnterpriseOne Tools in the affected 9.2 release range that expose the Interoperability Security component over HTTPS. The sources do not say which deployment settings make the component reachable, so exposure to untrusted networks is the main risk factor. Teams not running JD Edwards EnterpriseOne Tools in that range can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000728,"input_tokens":3501,"output_tokens":755,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-91309':15A,18A '/av':139C '3.1':129C,138C '5.9':132C '9.2.0.0':31B,84C '9.2.26.5':33B,85C 'access':55B,59B,95C,113C,119C,126C 'affect':82C 'allow':90C 'attack':10A,47B,92C,105C 'base':130C 'complet':118C 'compon':41B,75C 'compromis':99C 'confidenti':133C 'contain':34B 'critic':57B,115C 'cve':13A,16A 'cvss':128C,135C,137C 'data':12A,58B,116C,127C 'difficult':44B,86C 'difficult-to-exploit':43B 'edward':3A,23B,27B,67C,74C,101C,123C 'enterpriseon':4A,19B,28B,68C,102C,124C 'erp':20B 'exploit':46B,88C 'flaw':6A,36B 'grant':54B 'h/i':145C 'h/pr':141C 'https':49B,97C 'impact':134C 'interoper':39B,76C 'jd':2A,22B,26B,66C,73C,100C,122C 'jd-edward':21B 'let':7A 'login':52B 'n':147C 'n/a':146C 'n/ac':140C 'n/s':143C 'n/ui':142C 'network':9A,94C 'oracl':1A,24B,25B,72C 'product':62B,70C 'reach':11A 'requir':50B 'result':110C 'score':131C 'sec':77C 'secur':40B 'success':104C 'support':78C 'tool':5A,29B,69C,103C,125C 'u/c':144C 'unauthent':8A,91C 'unauthor':112C 'vector':136C 'version':30B,79C 'via':96C 'vulner':63C,89C,108C","nicknames":[],"mitigations":[],"who_affected":"Organizations running Oracle JD Edwards EnterpriseOne Tools in the affected 9.2 release range that expose the Interoperability Security component over HTTPS. The sources do not say which deployment settings make the component reachable, so exposure to untrusted networks is the main risk factor. Teams not running JD Edwards EnterpriseOne Tools in that range can skip it.","tier":"C","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:H/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-2026-91309","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91309","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},{"source":"epss","external_id":"CVE-2026-91309","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-91309","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-25T12:38:52+00:00","fetched_at":"2026-10-25T12:38:52+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"}