CVE-2026-91319

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Oracle JDeveloper Unauthorized Data Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-28

Assigner: Oracle

Description

Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Java Business Objects). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP 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. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-10-28

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91319

EUVD

EUVD-2026-106573

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Oracle JDeveloper	12.2.1.4.0
Oracle Corporation	Oracle JDeveloper	14.1.2.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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 modify or delete critical data without needing credentials. The attack targets the Java Business Objects component and affects versions 12.2.1.4.0 and 14.1.2.0.0.

Detection Guidance

Detection of this vulnerability requires checking for vulnerable versions of Oracle JDeveloper (12.2.1.4.0 or 14.1.2.0.0) on your system. Inspect installed software versions and network services exposed via HTTP. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could allow an attacker to alter or delete important data in Oracle JDeveloper, leading to data loss or corruption. Since it requires network access, systems exposed to the internet are at higher risk.

Compliance Impact

This vulnerability allows unauthorized modification of critical data, which could lead to violations of data integrity requirements in standards like GDPR and HIPAA. Unauthorized changes to sensitive data may result in non-compliance with regulatory obligations for data accuracy and protection.

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 reduce exposure. Monitor for unauthorized data modifications or deletions in Oracle JDeveloper.

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