CVE-2026-91526
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Cross-Site Scripting in Oracle BI Publisher

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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle BI Publisher, attacks may significantly impact additional products (scope change). 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 4.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/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-2026-91526
EUVD
EUVD-2026-106761

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-601 The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

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Executive Summary

This is a vulnerability in Oracle BI Publisher, part of Oracle Analytics. It affects versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0. The issue allows an unauthenticated attacker to potentially compromise the system via HTTP network access. Exploitation requires human interaction from someone other than the attacker.

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 server logs for unusual HTTP requests or unauthorized data access patterns. Monitor network traffic for HTTP interactions targeting Oracle BI Publisher services.

Impact Analysis

An attacker could gain unauthorized access to read, modify, or delete some data within Oracle BI Publisher. This could lead to data breaches or unauthorized changes to sensitive information. The impact is limited to data accessible through Oracle BI Publisher.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected versions should assess potential compliance risks and apply mitigations promptly.

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 Oracle BI Publisher via HTTP and implement additional access controls to limit exposure.

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