CVE-2026-91320

Local privilege escalation in Oracle JDeveloper permits unauthorized data modification and denial‑of‑service

Published Oct 20, 2026 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Local privilege escalation in Oracle JDeveloper permits unauthorized data modification and denial‑of‑service
Type Values Removed Values Added
Title Privilege Escalation in Oracle JDeveloper Leading to Unauthorized Data Access and DoS
Weaknesses CWE-862
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Title Privilege Escalation in Oracle JDeveloper Leading to Unauthorized Data Access and DoS
Weaknesses CWE-862
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

{'score': 5.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 28, 2026, 6:12 PM
Reserved
Sep 14, 2026, 10:10 PM
Status
Analyzed
Published
Oct 20, 2026, 10:20 PM
Modified
Nov 10, 2026, 2:58 PM