CVE-2026-70843 in Hyperion Financial Management
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Hyperion Financial Management executes to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Financial Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management, specifically affecting version 11.2.25.0.000 and potentially other supported releases in that lineage. This flaw represents a significant security deficiency because it allows an unauthenticated attacker to compromise the integrity and confidentiality of the application environment. The core technical issue stems from insufficient access controls or authentication mechanisms within specific administrative interfaces or internal communication channels, which fail to properly validate the identity of requests originating from trusted network segments. By exploiting this weakness, an adversary can bypass standard security gates that are designed to restrict sensitive operations to authorized personnel only.
The exploitation vector for this vulnerability is notably constrained by its physical requirements. The attacker must have access to the physical communication segment attached to the hardware where Oracle Hyperion Financial Management executes. This implies a local network attack scenario rather than a remote internet-based exploit. An adversary would need to be physically connected to the same LAN or subnet as the target server, potentially through compromised endpoints, rogue devices plugged into switch ports, or insider threats with physical access privileges. Despite this proximity requirement, the difficulty of exploitation is rated as difficult due to the high complexity involved in crafting valid payloads that trigger the specific code paths leading to unauthorized actions without triggering immediate detection mechanisms such as intrusion prevention systems or audit logs.
The operational impact of a successful exploit is severe and multifaceted. The attacker gains the ability to perform unauthorized creation, deletion, or modification of critical data within the financial management system. This directly impacts the integrity of financial records, which are paramount for regulatory compliance and accurate business reporting. Furthermore, the vulnerability grants complete access to all Oracle Hyperion Financial Management accessible data, leading to a total breach of confidentiality. Sensitive financial information, including payroll details, budget forecasts, transaction histories, and strategic planning documents, could be exfiltrated or altered. This level of compromise undermines trust in the organization's financial infrastructure and can lead to significant reputational damage and regulatory penalties under frameworks such as SOX or GDPR if personal data is involved.
From a classification perspective, this vulnerability aligns with CWE-287 Improper Authentication, where the system fails to adequately verify the identity of users before granting access to protected resources. Additionally, it relates to CWE-915 Improvement of Incorrectly Controlled Security Vulnerable Component for Modifiable Functionality if the flaw allows modification of application behavior through unauthorized API calls or administrative functions. In terms of offensive security tactics, this scenario maps closely to MITRE ATT&CK technique T1078 Valid Accounts, although in this case, it involves gaining initial access via network proximity rather than stolen credentials, and potentially T1530 Data from Cloud Storage if the data is accessed remotely after local compromise. The CVSS 3.1 base score of 6.8 reflects a medium severity rating driven by high confidentiality and integrity impacts but limited availability impact and high attack complexity.
Mitigation strategies must focus on both immediate containment and long-term architectural improvements. Immediately, organizations should restrict physical access to the network segments hosting Oracle Hyperion Financial Management servers using strict port security policies on switches, such as 802.1X authentication for any device connecting to the LAN. Network segmentation is critical; the financial management systems should reside in a dedicated VLAN isolated from general corporate traffic and internet-facing zones. Implementing micro-segmentation can further limit lateral movement even if an attacker gains physical access to one part of the network. Additionally, deploying host-based intrusion detection systems on the server itself can help identify anomalous activity indicative of exploitation attempts.
Long-term remediation requires applying all available security patches from Oracle that address this specific vulnerability in version 11.2.25.0.000 and subsequent updates. It is essential to review access control lists and authentication configurations within Hyperion Financial Management to ensure that administrative functions are not exposed unnecessarily, even on internal networks. Enabling comprehensive audit logging for all security-relevant events will aid in detecting any unauthorized attempts or successful compromises post-exploitation. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in other components of the Oracle E-Business Suite ecosystem. Finally, educating staff about physical security risks is vital, as this vulnerability exploits a gap that software patches alone cannot fully close without complementary network hardening measures.