{"schemaVersion":3,"id":"CVE-2026-34291","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server.  While the vulnerability is in Oracle HTTP Server, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server accessible data as well as  unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).","dates":{"published":"2026-04-21T20:35:26.218Z","modified":"2026-04-23T03:55:47.014Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.7,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.7,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.7,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0034,"percentile":0.26007,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.07899999999999999,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00261},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0034,"percentile":0.26007}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00261,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0034,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0034,"percentile":0.26007}]},"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-284","name":"Improper Access Control","description":"The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Pillar","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/284.html"}],"affected":[{"vendor":"oracle corporation","product":"oracle http server","name":"Oracle HTTP Server","label":"oracle http server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.2.1.4.0","noFixRecorded":false,"fixedIn":null},{"text":"14.1.2.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.2.1.4.0 | 14.1.2.0.0","eol":null,"hubHref":"/vendor/oracle_corporation/oracle_http_server"},{"vendor":"oracle","product":"http_server","name":"http server","label":"http_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.2.1.4.0","noFixRecorded":false,"fixedIn":null},{"text":"14.1.2.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.2.1.4.0 | 14.1.2.0.0","eol":null,"hubHref":"/vendor/oracle/http_server"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.oracle.com/security-alerts/cpuapr2026.html","label":"www.oracle.com/security-alerts/cpuapr2026.html","hostname":"www.oracle.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-04-21T20:35:26.218Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-23T03:55:47.014Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:45:57.663Z","stale":false,"partial":false}}