CVE-2026-91213 in Business Process Management Suite
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Business Process Management Suite product of Oracle Fusion Middleware (component: BPM Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Business Process Management Suite. Successful attacks of this vulnerability can result in takeover of Oracle Business Process Management Suite. 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 • 10/21/2026
The identified vulnerability resides within the BPM Composer component of Oracle Business Process Management Suite, a critical element of Oracle Fusion Middleware used for designing and managing business processes. This security flaw affects specific supported versions including 12.2.1.4.0 and 14.1.2.0.0, representing significant exposure for organizations relying on these platforms for enterprise workflow automation. The nature of this vulnerability is particularly concerning because it allows an attacker with low privileges to achieve a complete compromise of the system through network access via HTTP. This indicates that the flaw likely involves improper authorization checks or input validation mechanisms within the web-facing interface of the BPM Composer, enabling unauthorized users to execute commands or manipulate data in ways intended only for administrators or higher-privileged roles.
From a technical perspective, the ease of exploitation combined with low privilege requirements suggests an authentication bypass or insufficient access control mechanism. An attacker does not need complex social engineering or user interaction to exploit this flaw, as indicated by the absence of user interface dependencies in the CVSS vector. The attack path is straightforward over HTTP, which may imply that if TLS encryption is not strictly enforced or if there are issues with session management and token validation, an adversary can intercept or forge requests to escalate privileges. This aligns with common weaknesses found in web application frameworks where role-based access control lists are either misconfigured or contain logical errors allowing privilege escalation from a standard user account to full system administrator rights.
The operational impact of this vulnerability is severe, as evidenced by the 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 the complete takeover of the Oracle Business Process Management Suite environment. This means an attacker could potentially exfiltrate sensitive business process data, alter workflow definitions to disrupt operations, or use the compromised server as a pivot point for further attacks against internal network resources. The ability to take over the suite implies that all processes managed by BPM Composer are at risk of being manipulated, leading to potential financial loss, regulatory non-compliance, and reputational damage due to service disruption or data leakage.
In terms of industry standards classification, this vulnerability maps closely to CWE-269 Improper Privilege Management and CWE-862 Missing Authorization within the Common Weakness Enumeration framework. It also corresponds to ATT&CK technique T1078 Valid Accounts, specifically focusing on local accounts with insufficient privileges being leveraged for lateral movement or privilege escalation. The network-based nature of the attack via HTTP places it under remote code execution vectors often associated with web application attacks such as those described in CWE-94 Improper Control of Generation of Code (Code Injection) if command injection is involved, or more broadly under exploitation of server-side logic flaws.
Mitigation strategies must prioritize immediate patching to the latest available version released by Oracle that addresses this specific flaw within the BPM Composer component. Organizations should verify their current deployment versions against the affected list and apply security updates provided in the most recent Critical Patch Update. In addition to patching, implementing strict network segmentation is crucial to limit exposure of the BPM Suite to only authorized IP ranges or subnets. Enforcing multi-factor authentication for all administrative accounts adds a layer of defense even if credentials are compromised. Furthermore, ensuring that HTTP traffic is strictly redirected to HTTPS with strong TLS configurations prevents potential interception attacks and ensures integrity of communications. Regular auditing of user privileges and adherence to the principle of least privilege will help minimize the attack surface should similar vulnerabilities be discovered in the future.