CVE-2026-83315 in BI Publisher
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: BI Platform 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 SOAP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in takeover of Oracle BI Publisher. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the BI Platform Security component of Oracle Analytics, specifically affecting the Oracle BI Publisher product across versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0. This flaw represents a critical security deficiency that allows for unauthorized access and control over the application infrastructure. The vulnerability is characterized by its ease of exploitation, requiring only low-privileged credentials and network connectivity via the SOAP interface to execute successful attacks. This accessibility significantly lowers the barrier for entry, enabling attackers who have already gained a foothold within the internal network or those with valid but limited user accounts to escalate their privileges effectively.
From a technical perspective, the core issue involves improper access control mechanisms within the SOAP-based communication channels of Oracle BI Publisher. The system fails to adequately validate whether a low-privileged user possesses the necessary permissions to execute specific administrative functions or manipulate sensitive data structures through these endpoints. This misconfiguration allows an attacker to bypass intended security restrictions and interact with backend systems in ways that are reserved for high-level administrators. Consequently, this leads to a complete compromise of the Oracle BI Publisher environment, granting the attacker full control over the application's functionality and underlying resources.
The operational impact of this vulnerability is severe, as indicated by its CVSS 3.1 base score of 8.8, which classifies it as High severity with significant impacts on confidentiality, integrity, and availability. A successful exploitation results in a total takeover of Oracle BI Publisher, allowing the attacker to exfiltrate sensitive business intelligence reports, modify critical configurations, or disrupt service operations entirely. This level of compromise can lead to substantial data breaches, regulatory non-compliance due to unauthorized access to protected information, and significant downtime affecting organizational productivity. The ability to alter integrity ensures that attackers can manipulate reporting outputs for malicious purposes, while the availability impact means they could render the analytics platform unusable through denial-of-service actions or destructive configuration changes.
In terms of industry-standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management and CWE-862 Missing Authorization, as it involves a low-privileged user performing actions that should be restricted to higher-level roles. Furthermore, the exploitation vector via SOAP interfaces maps closely to ATT&CK technique T1078 Valid Accounts, where attackers leverage legitimate credentials with insufficient privilege separation to move laterally or escalate privileges within the target environment. The network-based nature of the attack also relates to remote code execution principles often seen in web application vulnerabilities, emphasizing the need for robust input validation and strict role-based access control enforcement on all exposed endpoints.
To mitigate this risk, organizations must immediately apply the latest security patches provided by Oracle for the affected versions of BI Publisher. It is crucial to verify that all instances running version 8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0 are updated to a patched release where these access control flaws have been resolved. Additionally, implementing network segmentation to restrict SOAP interface accessibility only to trusted internal subnets can reduce the attack surface for external threats. Enforcing multi-factor authentication and regularly auditing user privileges ensures that low-privileged accounts do not possess unnecessary permissions that could be exploited in conjunction with this vulnerability. Continuous monitoring of SOAP traffic for anomalous patterns indicative of privilege escalation attempts will also aid in early detection and response to potential exploitation activities.