CVE-2026-91320

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).

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cpuoct2026.html

Configurations

No configuration.

History

28 Oct 2026, 19:19

Type	Values Removed	Values Added
CWE		CWE-284

20 Oct 2026, 22:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 22:20

Updated : 2026-10-28 19:19

NVD link : CVE-2026-91320

Mitre link : CVE-2026-91320

CVE.ORG link : CVE-2026-91320

JSON object : View

Products Affected

No product.

CWE

CWE-284

Improper Access Control

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