{"id":"CVE-2026-91303","kind":"vulnerability","aliases":["CVE-2026-91303"],"related":[],"title":"Oracle JD Edwards EnterpriseOne Tools: installation flaw enables full takeover over HTTP","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 HTTP to compromise JD Edwards EnterpriseOne Tools.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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. An unauthenticated attacker on the network can take over the product if a person performs an action, such as opening a crafted link.","severity":"high","cvss":8.8,"epss":0.00288,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["enterpriseone","jd-edwards","oracle","package","self-hosted","vendor"],"not_affected_if":["unknown","version-outside-9.2.0.0-9.2.26.5"],"how_to_check":"Check the installed EnterpriseOne Tools release against the affected range 9.2.0.0-9.2.26.5.","fix":"Apply the Oracle Critical Patch Update for JD Edwards EnterpriseOne Tools (patch identifier unknown from sources).","status":"open","published_at":"2026-10-20T22:20:32+00:00","first_seen_at":"2026-10-23T21:57:26+00:00","triaged_at":"2026-10-23T22:34:08+00:00","updated_at":"2026-10-25T12:38:52+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T22:34:08Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Oracle Critical Patch Update for JD Edwards EnterpriseOne Tools (patch identifier unknown from sources).","reach":"network","title":"Oracle JD Edwards EnterpriseOne Tools: installation flaw enables full takeover over HTTP","impact":"high","summary":"Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 have an installation security flaw. An unauthenticated attacker on the network can take over the product if a person performs an action, such as opening a crafted link.","category":"vendor","who_cares":["jd-edwards","enterpriseone","oracle","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker takes over EnterpriseOne Tools with full confidentiality, integrity and availability impact","analyst_note":"Find the Oracle CPU advisory for CVE-2026-91303 to get the exact patch and any configuration workaround.","how_to_check":"Check the installed EnterpriseOne Tools release against the affected range 9.2.0.0-9.2.26.5.","needs_analyst":true,"not_affected_if":["version-outside-9.2.0.0-9.2.26.5","unknown"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00055,"input_tokens":3123,"output_tokens":475,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-91303':15A,18A '/av':146C '3.1':133C,145C '8.8':136C '9.2.0.0':35B,87C '9.2.26.5':37B,88C 'access':97C 'action':59B 'affect':85C 'allow':92C 'attack':45B,94C,107C,117C,119C 'avail':140C 'base':134C 'compon':78C 'compromis':101C 'confidenti':137C 'craft':64B 'cve':13A,16A 'cvss':132C,142C,144C 'easili':89C 'edward':3A,22B,31B,70C,77C,103C,129C 'enabl':8A 'enterpriseon':4A,19B,32B,71C,104C,130C 'exploit':90C 'flaw':7A,42B 'full':9A 'h':154C 'h/a':153C 'h/i':152C 'host':27B 'http':12A,99C 'human':109C 'impact':141C 'instal':6A,40B,79C 'integr':138C 'interact':110C 'jd':2A,21B,30B,69C,76C,102C,128C 'jd-edward':20B 'l/pr':148C 'link':65B 'n/ac':147C 'n/ui':149C 'network':48B,96C 'open':62B 'oracl':1A,23B,29B,75C 'packag':24B 'perform':57B 'person':56B,113C 'product':53B,73C 'r/s':150C 'requir':108C 'result':124C 'score':135C 'secur':41B,80C 'self':26B 'self-host':25B 'success':106C,118C 'support':81C 'take':50B 'takeov':10A,126C 'tool':5A,33B,72C,105C,131C 'u/c':151C 'unauthent':44B,93C 'vector':143C 'vendor':28B 'version':34B,82C 'via':98C 'vulner':66C,91C,122C","nicknames":[],"mitigations":[],"who_affected":null,"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:R/S:U/C:H/I:H/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-91303","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91303","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-2026-91303","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-91303","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"}