CVE-2026-70823 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 network access via HTTPS 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 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/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 critical security deficiency that permits unauthenticated attackers to compromise the integrity and confidentiality of the application's data stores. The vulnerability is characterized by its network-based attack vector, allowing exploitation over HTTPS without requiring user interaction or prior authentication credentials. While the complexity of exploiting this specific weakness is rated as high, indicating that successful attacks may require specialized conditions or precise timing, the absence of an authentication barrier significantly elevates the risk profile for organizations relying on this platform for financial data management.
From a technical perspective, the flaw likely stems from insufficient validation or access control mechanisms within the security handling routines of the Hyperion Financial Management application server. The ability to perform unauthorized creation, deletion, or modification of critical data suggests that input sanitization and authorization checks are either bypassed or incorrectly implemented for certain API endpoints or administrative functions accessible via the web interface. This aligns with common patterns found in enterprise applications where complex security configurations can lead to logic errors that allow privilege escalation or data manipulation by external actors. The high complexity rating implies that while an attacker cannot simply send a single malformed packet, they may need to construct specific sequences of requests or exploit race conditions within the application's state management processes to achieve successful exploitation.
The operational impact of this vulnerability is severe due to its direct effect on both confidentiality and integrity, as reflected in the CVSS 3.1 base score of 7.4. An attacker who successfully exploits this flaw can gain complete access to all data accessible by Oracle Hyperion Financial Management. This includes sensitive financial records, budgeting models, forecasting data, and audit trails that are central to organizational decision-making processes. The unauthorized modification capabilities mean that an adversary could alter financial figures, delete critical historical records, or inject fraudulent transactions without detection if logging mechanisms are not robustly configured. Such actions can lead to significant regulatory non-compliance, reputational damage, and substantial financial loss for the affected entity.
In terms of industry standard classifications, this vulnerability maps closely to CWE-287 Improper Authentication, as it allows access by unauthenticated users, and potentially CWE-94 Improper Control of Generation of Code or CWE-601 URL Redirection to Untrusted Site if the exploitation involves redirecting requests. Furthermore, from a tactical standpoint within the MITRE ATT&CK framework, this vulnerability facilitates initial access through network services and enables data exfiltration (T1530) and data manipulation (T1489). The lack of authentication requirement places it in the category of vulnerabilities that do not require user interaction or credentials, making them particularly dangerous for internet-facing applications.
Mitigation strategies must focus on immediate isolation and patching. Organizations running Oracle Hyperion Financial Management version 11.2.25.0.000 should apply the latest security patches provided by Oracle as soon as they are available to address this specific flaw in the Security component. Until patches can be deployed, it is advisable to restrict network access to the application server using strict firewall rules that limit connectivity to only trusted IP addresses and subnets. Additionally, implementing a Web Application Firewall with advanced rule sets capable of detecting anomalous request patterns associated with high-complexity exploits can provide an additional layer of defense. Regular security audits and penetration testing should be conducted to identify similar logic flaws in other components of the application suite, ensuring that access controls are rigorously enforced across all administrative interfaces.