CVE-2026-83296 in Business Intelligence Enterprise Edition
Summary
by MITRE • 09/15/2026
Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: BI Search). Supported versions that are affected are 8.2.0.0.0, 12.2.1.4.0 and 26.01.0.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition. Successful attacks of this vulnerability can result in takeover of Oracle Business Intelligence Enterprise Edition. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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 Search component of Oracle Business Intelligence Enterprise Edition, a critical module responsible for indexing and retrieving data from various sources to support analytical queries. This flaw affects multiple supported versions including 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0, indicating that the issue is not isolated to a single release cycle but persists across legacy and modern iterations of the software stack. The core technical flaw allows an attacker with low privileges who has network access via HTTP to compromise the underlying system. While the vulnerability is classified as difficult to exploit due to high complexity requirements for successful exploitation, its potential impact is severe enough to warrant immediate attention from security operations teams managing Oracle Analytics environments exposed to untrusted networks or internal segments where privilege escalation paths may exist.
From a technical perspective, this vulnerability aligns with CWE-20 Improper Input Validation and potentially CWE-78 OS Command Injection depending on the specific implementation details of how user-supplied search queries are processed by the BI Search engine. The attacker leverages network access to send crafted HTTP requests that bypass existing input sanitization mechanisms within the application layer. Because the vulnerability allows for a takeover of Oracle Business Intelligence Enterprise Edition, it suggests that the flaw enables arbitrary code execution or significant privilege escalation beyond the low-privilege account initially compromised. This capability effectively neutralizes the security boundary between unauthenticated or low-privileged users and system administrators, allowing full control over the application server hosting the BI instance.
The operational impact of this vulnerability is substantial, as reflected by its CVSS 3.1 Base Score of 7.5 which indicates a High severity rating. The vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that while the attack complexity is high and requires low privileges, the scope remains unchanged yet all three pillars of the CIA triad are fully compromised. Confidentiality impact being high means sensitive business intelligence data, including proprietary reports, dashboards, and underlying database schemas accessible through BI tools, can be exfiltrated. Integrity impact at a high level implies that an attacker could modify critical configurations, alter report outputs to mislead decision-makers, or inject malicious scripts into published content. Availability impact suggests the ability to disrupt services by crashing processes or consuming resources excessively, leading to denial of service for legitimate users relying on analytics capabilities.
In terms of threat modeling and adversary behavior, this vulnerability maps directly to MITRE ATT&CK technique T1059 Command and Scripting Interpreter if it involves executing system commands through injection, or T1136 Create Account if the takeover results in persistent access via new user creation. It also relates to T1078 Valid Accounts as the attacker utilizes low-privileged credentials that are often easier to obtain than administrative ones. The fact that no user interaction is required simplifies the attack chain for automated exploitation tools, although the high complexity acts as a natural deterrent against opportunistic attacks. Organizations must recognize that even difficult-to-exploit vulnerabilities can be weaponized by sophisticated adversaries who have time and resources to develop reliable exploit code targeting specific version combinations.
Mitigation strategies should prioritize immediate patching of all affected Oracle Business Intelligence Enterprise Edition installations using the latest security patches provided by Oracle. Until patches are applied, network segmentation is critical; administrators must ensure that BI servers are not directly accessible from untrusted networks via HTTP and instead route traffic through secure proxies with strict access control lists restricting source IP addresses to known internal subnets only. Additionally, implementing Web Application Firewalls can help detect and block anomalous search query patterns indicative of injection attempts or malformed inputs targeting the BI Search component. Security teams should also audit existing user accounts to ensure that low-privileged users do not have unnecessary permissions related to system configuration or administrative functions within the BI platform. Regular vulnerability scanning focused on application-layer flaws in analytics tools is recommended to identify similar misconfigurations before they can be exploited.