CVE-2026-83266

Deferred Deferred - Pending Action

Unauthenticated Access in Oracle JDeveloper

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Oracle

Description

Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Services). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle JDeveloper accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83266

EUVD

EUVD-2026-79618

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	jdeveloper	12.2.1.4.0
oracle	jdeveloper	14.1.2.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle JDeveloper, a tool for Java development. It allows an unauthenticated attacker to remotely access the system via HTTP and potentially steal sensitive data or disrupt services. The flaw affects versions 12.2.1.4.0 and 14.1.2.0.0.

Detection Guidance

This vulnerability affects Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0. Detection involves checking for the presence of vulnerable versions and exposed HTTP interfaces. Use commands like 'curl -I http://<target>:<port>' to check HTTP headers for Oracle JDeveloper services. Inspect installed software versions with 'rpm -qa | grep jdeveloper' on Linux or 'wmic product get name,version' on Windows.

Impact Analysis

If you use the affected Oracle JDeveloper versions, an attacker could gain unauthorized access to critical data stored in the system or cause partial denial of service, disrupting your development environment.

Compliance Impact

This vulnerability allows unauthorized access to critical data or complete access to all Oracle JDeveloper accessible data, which could lead to exposure of sensitive information. This may violate compliance requirements under GDPR (data protection) and HIPAA (healthcare data privacy) if such data is compromised.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0. Restrict network access to HTTP ports used by Oracle JDeveloper to trusted sources only. Monitor for unusual activity or unauthorized access attempts.

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