Oracle BI Publisher 8.2.0.0.0/12.2.1.4.0/26.01.0.0.0 BI Publisher Security improper authorization

Summaryinfo

A vulnerability has been found in Oracle BI Publisher 8.2.0.0.0/12.2.1.4.0/26.01.0.0.0 and classified as critical. This issue affects some unknown processing of the component BI Publisher Security. Performing a manipulation results in improper authorization. This vulnerability is cataloged as CVE-2026-91518. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Oracle BI Publisher 8.2.0.0.0/12.2.1.4.0/26.01.0.0.0. It has been classified as critical. This affects an unknown part of the component BI Publisher Security. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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).

The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2026-91518 since 09/15/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/21/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Reporting Software

Vendor

• Oracle

Name

• BI Publisher

Version

• 8.2.0.0.0
• 12.2.1.4.0
• 26.01.0.0.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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