Oracle BI Publisher 8.2.0.0.0/26.01.0.0.0 Web Service API privileges management

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle BI Publisher 8.2.0.0.0/26.01.0.0.0. Impacted is an unknown function of the component Web Service API. Such manipulation leads to privileges management. This vulnerability is listed as CVE-2026-91590. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle BI Publisher 8.2.0.0.0/26.01.0.0.0 and classified as critical. Affected by this issue is an unknown functionality of the component Web Service API. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: Web Service API). Supported versions that are affected are 8.2.0.0.0 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 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 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

The advisory is available at oracle.com. This vulnerability is handled as CVE-2026-91590 since 09/15/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/21/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Reporting Software

Vendor

• Oracle

Name

• BI Publisher

Version

• 8.2.0.0.0
• 26.01.0.0.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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