{"schemaVersion":3,"id":"CVE-2026-87302","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and  15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).","dates":{"published":"2026-10-20T21:23:55.953Z","modified":"2026-10-21T11:05:30.915Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.1,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.1,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.1,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00427,"percentile":0.35885,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-21T00:00:00.000Z","score":0.00427,"percentile":0.35885}],"last30":[{"date":"2026-10-21T00:00:00.000Z","score":0.00427,"percentile":0.35885}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-287","name":"Improper Authentication","description":"When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/287.html"},{"id":"CWE-306","name":"Missing Authentication for Critical Function","description":"The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/306.html"}],"affected":[{"vendor":"oracle corporation","product":"oracle weblogic server","name":"Oracle WebLogic Server","label":"oracle weblogic server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.2.1.4.0","noFixRecorded":false,"fixedIn":null},{"text":"14.1.1.0.0","noFixRecorded":false,"fixedIn":null},{"text":"14.1.2.0.0","noFixRecorded":false,"fixedIn":null},{"text":"15.1.1.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.2.1.4.0 | 14.1.1.0.0 | 14.1.2.0.0 | 15.1.1.0.0","eol":null,"hubHref":"/vendor/oracle_corporation/oracle_weblogic_server"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"www.oracle.com/security-alerts/cpuoct2026.html","hostname":"www.oracle.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T21:23:55.953Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-21T11:05:30.915Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T01:39:55.821Z","stale":false,"partial":false}}