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 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).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
|
History
Wed, 21 Oct 2026 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Privilege Escalation in Oracle JDeveloper Leading to Unauthorized Data Access and DoS | |
| Weaknesses | CWE-862 |
Tue, 20 Oct 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 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). | |
| First Time appeared |
Oracle
Oracle jdeveloper |
|
| CPEs | cpe:2.3:a:oracle:jdeveloper:12.2.1.4.0:*:*:*:*:*:*:* cpe:2.3:a:oracle:jdeveloper:14.1.2.0.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
Oracle
Oracle jdeveloper |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-10-20T21:25:17.759Z
Updated: 2026-10-20T21:25:17.759Z
Reserved: 2026-09-14T22:10:16.627Z
Link: CVE-2026-91320
No data.
Status : Awaiting Analysis
Published: 2026-10-20T22:20:33.987
Modified: 2026-10-21T18:44:40.020
Link: CVE-2026-91320
No data.