CVE-2026-91608

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Oracle BI Publisher Unauthenticated Data Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-26

Assigner: Oracle

Description

Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: Web Server). 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. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-26

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91608

EUVD

EUVD-2026-106801

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Oracle BI Publisher	8.2.0.0.0
Oracle Corporation	Oracle BI Publisher	12.2.1.4.0
Oracle Corporation	Oracle BI Publisher	26.01.0.0.0

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, a web server component of Oracle Analytics. It allows unauthenticated attackers with network access via HTTP to compromise the system. Successful exploitation can lead to unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data.

Detection Guidance

This vulnerability can be detected by checking for affected versions of Oracle BI Publisher (8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0.0) running on your network. Scan for open HTTP ports and verify if Oracle BI Publisher is exposed without authentication. Use network scanning tools like Nmap to identify Oracle BI Publisher services.

Impact Analysis

If you use Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0.0, an attacker could gain access to sensitive data stored or processed by the system without authentication.

Compliance Impact

This vulnerability allows unauthorized access to critical or all accessible data in Oracle BI Publisher, which could lead to exposure of sensitive personal or health information. This may violate GDPR (if personal data is involved) or HIPAA (if protected health information is compromised), depending on the data processed by the affected system.

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). Disable HTTP access if possible and restrict network access to the BI Publisher web server through firewalls or network segmentation.

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