CVE-2026-70917 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. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Hyperion Financial Management executes to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 4.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 attacker to compromise the integrity and confidentiality of the financial management system without requiring valid user credentials for the application itself. The core issue stems from insufficient access control mechanisms or improper validation of session states within the authentication subsystem, which permits unauthenticated entities who have network-level access to the infrastructure hosting Oracle Hyperion Financial Management to exploit the weakness. This scenario highlights a critical gap in defense-in-depth strategies where network proximity is incorrectly equated with application trustworthiness.
From a technical perspective, this vulnerability enables an attacker to gain unauthorized read access to a subset of data accessible by the system. The exploitation does not require user interaction or complex social engineering tactics beyond establishing initial network connectivity to the target server. Once connected, the attacker can leverage the flaw to bypass standard authentication checks, effectively treating unauthenticated traffic as if it were from a legitimate, logged-in user for specific read operations. This capability allows the extraction of sensitive financial data, including potentially confidential reports, balances, or transactional records that are stored within the Hyperion database and exposed through its application interfaces. The ease of exploitation lowers the barrier to entry for malicious actors, making this vulnerability particularly dangerous in environments where internal network segmentation is weak or non-existent.
The operational impact of this vulnerability is primarily centered on confidentiality breaches rather than integrity or availability disruptions. With a CVSS 3.1 Base Score of 4.0 and a vector indicating Local Attack Vector with Low Complexity and No Privileges Required, the risk profile suggests that while the attack requires local network access, it does not demand high skill levels to execute successfully. The consequence is unauthorized disclosure of information, which can lead to competitive intelligence leaks, regulatory non-compliance due to exposure of sensitive financial metrics, or potential groundwork for more severe attacks such as data manipulation if combined with other vulnerabilities. For organizations relying on Oracle Hyperion Financial Management for critical decision-making and reporting, the loss of confidentiality undermines trust in the system's outputs and exposes the organization to legal and reputational risks associated with data privacy violations.
This vulnerability aligns closely with CWE-287, which describes Improper Authentication, as well as CWE-862, Missing Authorization, since the flaw allows access to resources without proper verification of user identity or permissions. In terms of offensive security frameworks, this behavior maps to MITRE ATT&CK techniques related to Initial Access and Credential Access, specifically where an attacker exploits a service vulnerability to gain foothold in the network environment. The local attack vector implies that threat actors must already have breached perimeter defenses or gained access through other means such as phishing or compromised endpoints within the internal network segment hosting the Hyperion servers.
Mitigation strategies should focus on immediate patching and architectural hardening. Oracle has likely released a security patch for version 11.2.25.0.000 that addresses this specific flaw; applying the latest available update is the primary remediation step. In addition to patching, organizations must enforce strict network segmentation policies to ensure that only authorized application servers and management consoles can communicate with Oracle Hyperion Financial Management instances over required ports. Implementing Web Application Firewalls configured to detect anomalous authentication patterns or unauthorized API calls can provide an additional layer of defense. Furthermore, enabling comprehensive logging and monitoring for failed authentication attempts and unusual data access patterns will aid in early detection of exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar misconfigurations across the broader Oracle Hyperion ecosystem before they are exploited by adversaries.