CVE-2026-83269

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Oracle BI Publisher Authentication Bypass 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 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 takeover of Oracle BI Publisher. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
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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-2026-83269

EUVD

EUVD-2026-79621

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-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
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 critical vulnerability in Oracle BI Publisher, part of Oracle Analytics. It allows an unauthenticated attacker to remotely access and take over the system via HTTP without any user interaction. The flaw affects versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0.

Detection Guidance

This vulnerability affects Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0. Detection involves checking for these specific versions on your systems. Use commands like 'rpm -qa | grep bi_publisher' on Linux or check installed software via 'Programs and Features' on Windows to identify affected versions.

Impact Analysis

An attacker could exploit this to fully compromise Oracle BI Publisher, leading to unauthorized access, data theft, or system disruption. Since it requires no authentication, any exposed instance is at high risk of takeover.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR (data protection) and HIPAA (health information privacy). Organizations using affected versions must address it to maintain compliance.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0. Restrict network access to HTTP ports used by Oracle BI Publisher. Monitor for unauthorized access attempts or unusual activity.

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