{"id":"CVE-2026-91320","title":"Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper)","summary":"Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows high privileged at…","severity":"medium","cvss":5.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H","cvssSource":"cna","vendor":"Oracle Corporation","product":"Oracle JDeveloper","affected":["oracle_jdeveloper 12.2.1.4.0","oracle_jdeveloper 14.1.2.0.0"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:25:17.759Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91320","references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"Oracle Advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.800Z","slug":"CVE-2026-91320","body":"## Overview\n\nVulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle JDeveloper executes to compromise Oracle JDeveloper.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle JDeveloper accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 5.7 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H).\n\n## Affected\n\n- `oracle_jdeveloper 12.2.1.4.0`\n- `oracle_jdeveloper 14.1.2.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}