CVE-2026-83319 in BI Publisher
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: Web Service API). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via SOAP to compromise Oracle BI Publisher. 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 access to critical data or complete access to all Oracle BI Publisher accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Web Service API component of Oracle BI Publisher, specifically affecting version 12.2.1.4.0 which is part of the broader Oracle Analytics suite. This security flaw presents a significant risk to organizations relying on this platform for business intelligence and reporting operations. The core issue stems from an improper validation or handling mechanism within the SOAP-based interface that processes incoming requests. Because the vulnerability is located in a network-accessible service, it allows external actors to interact with the system remotely without requiring physical access or local authentication privileges beyond what is already exposed by the web service itself.
Exploitation of this flaw requires only low-privileged user credentials and standard network connectivity via SOAP protocols. This lowers the barrier for entry significantly compared to vulnerabilities that require administrative rights or complex social engineering tactics. An attacker with a basic valid account can craft specific malicious requests targeting the vulnerable API endpoints. The simplicity of the attack vector means that automated exploitation tools could potentially be developed, increasing the likelihood of widespread compromise in environments where this version is deployed without adequate network segmentation or additional security controls.
The operational impact of successfully exploiting this vulnerability is severe, primarily centered around data confidentiality rather than integrity or availability. Successful attacks enable unauthorized access to critical business data stored within Oracle BI Publisher. In worst-case scenarios, an attacker can achieve complete access to all data accessible through the platform. This represents a substantial breach of sensitive information, potentially exposing proprietary metrics, financial records, customer details, and other confidential assets that are central to organizational operations. The scope change noted in the advisory indicates that while the technical flaw is isolated to BI Publisher, the consequences ripple outward, impacting the security posture of additional integrated products or dependent systems within the enterprise architecture.
From a classification perspective, this vulnerability aligns with CWE-200, which covers Exposure of Sensitive Information to an Unauthorized Actor. The attack pattern corresponds to ATT&CK technique T1539, Steal Web Session Cookie, if session hijacking is involved, or more broadly to data exfiltration techniques under the Collection and Exfiltration tactics depending on how the data is retrieved via the SOAP interface. The CVSS 3.1 base score of 7.7 reflects a High severity rating driven by the high impact on confidentiality combined with low attack complexity and availability requirements for network access, despite requiring local user privileges.
Mitigation strategies must focus on both immediate remediation and long-term architectural hardening. Oracle has likely released patches or updates that address this specific flaw in newer versions of BI Publisher; therefore, applying the latest security patch is the primary corrective action. Organizations should verify their current version against supported release channels to ensure they are not running vulnerable builds. In addition to patching, implementing strict access controls on SOAP endpoints is critical. This includes restricting network-level access to these services using firewalls or reverse proxies that limit connectivity to only trusted IP addresses and internal subnets.
Furthermore, enforcing multi-factor authentication for all user accounts with access to BI Publisher can mitigate the risk posed by low-privileged attackers who might have compromised credentials. Monitoring SOAP traffic for anomalous patterns or unusual data retrieval volumes can aid in early detection of exploitation attempts. Regular audits of user permissions should be conducted to ensure that users only possess the minimum level of access necessary for their roles, thereby limiting the potential blast radius if a single account is compromised. Continuous monitoring and logging of API interactions provide essential visibility into potential abuse of this vulnerability before significant data loss occurs.