CVE-2026-83288 in Business Intelligence Enterprise Edition
Summary
by MITRE • 09/16/2026
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. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Business Intelligence Enterprise Edition executes 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 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/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 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 different iterations of the software architecture. The core technical flaw allows for an easily exploitable condition where low-privileged attackers who have obtained valid logon credentials to the infrastructure hosting Oracle Business Intelligence Enterprise Edition can leverage this weakness to compromise the system. This suggests that the vulnerability likely involves improper validation or handling of search queries, potentially leading to unauthorized access to underlying data structures or execution of arbitrary commands within the context of the application server.
From a technical perspective, the ability for an attacker with low privileges to achieve full takeover indicates a severe breakdown in privilege separation and input sanitization mechanisms. The BI Search component likely processes user-supplied input without adequate restrictions on command injection vectors or path traversal sequences. When combined with the lack of sufficient access controls within this specific module, it allows the malicious actor to escalate their standing from a standard user to an administrator-level entity. This aligns closely with CWE-78 Improper Neutralization of Special Elements used in an OS Command and CWE-269 Improvement of Privilege, as the attacker exploits weak authentication or authorization checks within the search functionality to gain elevated rights. The simplicity of exploitation means that automated tools could potentially be developed to target this flaw rapidly once a foothold is established on the network segment hosting the BI server.
The operational impact of this vulnerability is severe, characterized by a complete compromise of confidentiality, integrity, and availability as reflected in its CVSS 3.1 Base Score of 7.8. The vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms that the attack requires only local network access or valid credentials with low privilege levels, involves little to no complexity for exploitation, and does not require user interaction beyond initial authentication. The high impact on confidentiality implies that sensitive business intelligence data, including proprietary reports and underlying database contents, can be exfiltrated. High integrity impact suggests that an attacker could modify critical configurations or inject malicious queries into the search index, potentially leading to misleading analytics outputs for decision-makers. Furthermore, availability is compromised because successful exploitation may allow denial-of-service conditions through resource exhaustion or system instability caused by malformed inputs processed by the BI Search engine.
In terms of threat modeling and industry standards, this vulnerability maps directly to MITRE ATT&CK techniques such as T1078 Valid Accounts for initial access if credentials are stolen, followed by T1068 Exploitation for Privilege Escalation or T1059 Command and Scripting Interpreter if code execution is achieved. The scenario represents a classic case where internal network segmentation fails to protect critical application servers from compromised low-level accounts. Attackers often use such vulnerabilities as part of an attack chain, moving laterally after gaining initial access through phishing or other entry points to pivot into high-value assets like BI systems which hold aggregated organizational data.
Mitigation strategies must focus on immediate patching and rigorous access control reviews. Oracle should be consulted for the latest security patches that address this specific flaw in the BI Search component. Organizations running affected versions 8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0.0 must prioritize applying these updates to close the exploitation vector. Additionally, implementing strict network segmentation is crucial; the BI server should not be directly accessible from untrusted networks and access should be restricted to authorized subnets only. Principle of least privilege must be enforced strictly for all accounts interacting with the BI infrastructure, ensuring that no single low-privileged account has excessive permissions within the search module. Regular auditing of authentication logs can help detect attempts to exploit this vulnerability by monitoring for unusual query patterns or repeated failed login attempts followed by successful access from unexpected sources.