CVE-2026-91222 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: Human Workflow (11g+)). 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 SOAP to compromise Oracle Business Process Management Suite. While the vulnerability is in Oracle Business Process Management Suite, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Business Process Management Suite. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Human Workflow component of Oracle Business Process Management Suite, a critical element of the Oracle Fusion Middleware architecture. This flaw affects specific supported versions including 12.2.1.4.0 and 14.1.2.0.0, indicating that even recently patched or maintained releases are susceptible to exploitation. The core technical issue involves an easily exploitable security weakness within the SOAP interface handling mechanisms of the Human Workflow engine. This component is responsible for managing human-centric tasks in business processes, such as approvals and reviews, making it a high-value target for attackers seeking to disrupt organizational workflows or gain unauthorized access to sensitive data processed through these channels.
The operational impact of this vulnerability is severe due to its low barrier to entry and broad scope. An attacker with network access who holds only low privileged user credentials can exploit this flaw without requiring any user interaction, as indicated by the absence of a UI requirement in the CVSS vector. The attack surface extends beyond SOAP protocols, suggesting that the underlying logic flaws may be triggered through various standard web service interactions. Because the vulnerability allows for complete system takeover, it represents a critical failure in authentication and authorization controls within the Human Workflow module. This means an attacker can escalate privileges from a low-level user to full administrative control over the Oracle Business Process Management Suite environment.
The scope change noted in the advisory is particularly concerning, as attacks against this component may significantly impact additional products within the broader Fusion Middleware ecosystem. This lateral movement capability implies that compromising the Human Workflow engine could serve as a pivot point for attacking other integrated systems, databases, or applications connected to the Business Process Management Suite. The high availability and integrity impacts underscore the risk of service disruption and data tampering, which can lead to significant operational downtime and regulatory compliance issues for organizations relying on these mission-critical business processes.
From a classification perspective, this vulnerability aligns with CWE-287 Improper Authentication or CWE-269 Improper Privilege Management, as it allows low privileged users to achieve high-level access. In the context of the MITRE ATT&CK framework, this behavior corresponds to techniques involving Initial Access via valid accounts and subsequent Privilege Escalation. The network-based nature of the exploit places it within the Remote Code Execution or Application Layer Protocol categories, specifically targeting web services interfaces that are often exposed to internal networks or the internet in enterprise environments.
Mitigation strategies must prioritize immediate patching of all affected versions to 12.2.1.4.0 and 14.1.2.0.0 with the latest security updates provided by Oracle. Organizations should also implement strict network segmentation to limit SOAP traffic access to only authorized administrative subnets where possible, reducing the attack surface for low privileged users who might otherwise gain initial footholds through compromised endpoints or phishing attacks. Additionally, enforcing multi-factor authentication and monitoring for anomalous privilege escalation events within the Human Workflow logs can provide early detection of exploitation attempts while patching efforts are underway.