CVE-2026-83305

Deferred Deferred - Pending Action

Unauthenticated Access in Oracle BI Publisher

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 Platform Security). Supported versions that are affected are 8.2.0.0.0, 12.2.1.4.0 and 26.01.0.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data as well as unauthorized update, insert or delete access to some of 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 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).

CVSS Scores

EPSS Scores

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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-2026-83305

EUVD

EUVD-2026-79657

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	bi_publisher	8.2.0.0.0
oracle	bi_publisher	12.2.1.4.0
oracle	bi_publisher	26.01.0.0.0

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 BI Publisher, part of Oracle Analytics. It allows an unauthenticated attacker to remotely access the system via HTTP and potentially compromise it. Successful exploitation could lead to unauthorized access to sensitive data, data manipulation, or partial denial of service.

Detection Guidance

This vulnerability can be detected by checking for Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0.0. Verify if the system is exposed to HTTP network access without authentication. Monitor for unauthorized data access or modification attempts targeting Oracle BI Publisher.

Impact Analysis

If exploited, attackers could gain unauthorized access to critical or all accessible data in Oracle BI Publisher. They may also modify or delete data and disrupt system availability, leading to data breaches or operational disruptions.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Apply the latest security patches from Oracle for affected versions of BI Publisher (8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0). Restrict network access to Oracle BI Publisher via HTTP to trusted sources only. Monitor for unauthorized access or unusual activity in logs.

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