Oracle BI Publisher 8.2.0.0.0/12.2.1.4.0/26.01.0.0.0 Web Server access control

Summaryinfo

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 rated as critical. This issue affects some unknown processing of the component Web Server. This manipulation causes access control. This vulnerability is tracked as CVE-2026-91555. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

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. Affected by this vulnerability is an unknown function of the component Web Server. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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. Easily exploitable 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

The advisory is shared at oracle.com. This vulnerability is known as CVE-2026-91555 since 09/15/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. 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 T1068 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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Entryinfo

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

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