CVE-2026-83302

Deferred Deferred - Pending Action

Oracle BI Publisher Unauthorized Data Access Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-22

Assigner: Oracle

Description

Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: BI Publisher Security). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle BI Publisher. While the vulnerability is in Oracle BI Publisher, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle BI Publisher. CVSS 3.1 Base Score 8.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L).

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Meta Information

Published

2026-09-15

Last Modified

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83302

EUVD

EUVD-2026-79654

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	bi_publisher	12.2.1.4.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle BI Publisher, part of Oracle Analytics. It allows a low-privileged attacker with network access to compromise the system. Successful exploitation can lead to unauthorized access to critical data or complete access to all Oracle BI Publisher data, and may cause a partial denial of service.

Detection Guidance

Detection requires checking for Oracle BI Publisher version 12.2.1.4.0 and verifying if HTTP access is enabled. Use commands like 'curl -I http://[target]/xmlpserver' to check service availability. Review server logs for unusual access patterns or requests to /xmlpserver paths.

Impact Analysis

If exploited, attackers could gain unauthorized access to sensitive data stored or processed by Oracle BI Publisher. This may result in data breaches, loss of confidential information, or disruption of services, potentially affecting business operations.

Compliance Impact

This vulnerability could lead to unauthorized data access, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using Oracle BI Publisher must address this to avoid legal penalties and reputational damage.

Mitigation Strategies

Immediately upgrade Oracle BI Publisher to a patched version. Restrict HTTP access via firewall rules to trusted IPs only. Disable or remove the /xmlpserver endpoint if not required. Apply Oracle's security patches as soon as available.

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