CVE-2026-83268

Received Received - Intake

Oracle BI Publisher Authentication Bypass Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-15

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 high 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 takeover of Oracle BI Publisher. CVSS 3.1 Base Score 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83268

EUVD

EUVD-2026-79620

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-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle BI Publisher, part of Oracle Analytics. It allows a highly privileged attacker with network access to take over the system. The attack occurs via HTTP and can impact other products. The CVSS score is 9.1, indicating high severity for confidentiality, integrity, and availability.

Detection Guidance

Detection requires checking for Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0.0. Inspect installed software versions and network services running on port 80 or 443. Use commands like 'rpm -qa | grep bi_publisher' on Linux or check Oracle BI Publisher logs for unusual access patterns.

Impact Analysis

If exploited, an attacker could gain full control of Oracle BI Publisher. This could lead to unauthorized access, data theft, or system disruption. Since attacks may affect additional products, the impact could be broader than just this component.

Compliance Impact

This vulnerability allows high privileged attackers to compromise Oracle BI Publisher, potentially leading to unauthorized access to sensitive data. This could violate GDPR by exposing personal data or HIPAA by compromising protected health information, depending on the data processed.

Mitigation Strategies

Apply the latest Oracle BI Publisher patches immediately. Restrict network access to Oracle BI Publisher via firewalls or network segmentation. Monitor for unauthorized access attempts and disable HTTP access if possible, enforcing HTTPS only.

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