CVE-2026-91518
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Oracle BI Publisher Security 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: BI Publisher 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 low privileged attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle BI Publisher accessible data as well as unauthorized read access to a subset of Oracle BI Publisher accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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-2026-91518
EUVD
EUVD-2026-106755

Affected Vendors & Products

Showing 3 associated CPEs
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
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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Executive Summary

This is a vulnerability in Oracle BI Publisher, part of Oracle Analytics. It allows a low-privileged attacker with network access to potentially modify or read some data within the system. The vulnerability has a CVSS score of 5.4, indicating moderate risk with impacts on confidentiality and integrity.

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. Verify installed versions via Oracle documentation or system logs. Monitor HTTP traffic for unauthorized access attempts to BI Publisher endpoints.

Impact Analysis

If exploited, this vulnerability could let an attacker with limited access update, insert, or delete some data in Oracle BI Publisher. It could also allow unauthorized reading of a subset of data, potentially leading to data breaches or corruption.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, which may violate compliance requirements like GDPR or HIPAA. Organizations using affected versions must address it to maintain regulatory compliance.

Mitigation Strategies

Apply the latest security patches from Oracle for affected BI Publisher versions (8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0) to address the vulnerability.

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