CVE-2026-70921 in Hyperion Financial Management
Summary
by MITRE • 08/18/2026
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 network access via TLS to compromise Oracle Hyperion Financial Management. While the vulnerability is in Oracle Hyperion Financial Management, attacks may significantly impact additional products (scope change). 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 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 08/18/2026
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 depending on configuration. This flaw represents a critical security deficiency that permits unauthenticated attackers to compromise the integrity and confidentiality of the system through network access via TLS. The severity is underscored by a CVSS 3.1 Base Score of 10.0, indicating maximum exploitability with no prerequisites for user interaction or authentication. The attack vector is classified as Network (AV:N) with Low Complexity (AC:L), meaning that automated tools can easily leverage this flaw without requiring specialized conditions or social engineering tactics.
The core technical nature of this vulnerability allows an attacker to bypass authentication mechanisms entirely, gaining direct access to the application's security controls. This lack of proper authorization checks enables unauthorized creation, deletion, or modification of critical data within the Oracle Hyperion Financial Management environment. Furthermore, it grants complete read access to all accessible financial and operational data stored by the system. The impact extends beyond the immediate product due to a scope change in the CVSS evaluation; attacks exploiting this flaw can significantly impact additional products connected to or integrated with Oracle Hyperian Financial Management. This lateral movement capability suggests that the vulnerability may serve as an entry point for broader enterprise compromise, affecting downstream systems that rely on data integrity from the financial management suite.
From a classification perspective, this vulnerability aligns closely with CWE-287, which describes Improper Authentication, and potentially CWE-922, Insecure Storage of Sensitive Information if sensitive data is exposed without adequate protection mechanisms during transit or at rest due to the breach. The ability to modify critical data maps directly to integrity violations often associated with CWE-352, Cross-Site Request Forgery (CSRF) or similar injection-based flaws depending on the specific implementation details not fully disclosed in the summary. In terms of adversary tactics, this vulnerability facilitates initial access and privilege escalation within the ATT&CK framework, specifically relating to techniques that exploit unauthenticated API endpoints or web application vulnerabilities to gain foothold in a networked environment.
The operational impact is severe given the nature of financial management software which handles sensitive corporate data including budgets, forecasts, actuals, and compliance reports. Unauthorized modification of this data can lead to significant financial misreporting, regulatory non-compliance, and loss of stakeholder trust. The ability to delete critical records could result in permanent data loss if backups are not immutable or frequently verified. Additionally, the complete access to all accessible data poses a massive risk for intellectual property theft and competitive intelligence gathering by malicious actors.
Mitigation strategies must prioritize immediate patching to the latest available version of Oracle Hyperion Financial Management that addresses this security flaw. Organizations should verify their current build against Oracle's official security advisories to ensure they are not running the vulnerable 11.2.25.0.000 release or any other affected versions. In environments where immediate patching is not feasible, network segmentation and strict firewall rules restricting TLS access to only authorized IP addresses can provide a temporary compensating control. Implementing Web Application Firewalls (WAF) with specific rule sets designed to detect anomalous authentication bypass attempts may also help mitigate exploitation risks until the underlying code defect is resolved. Continuous monitoring of system logs for unusual data modification patterns or unauthorized access attempts is essential for early detection and incident response.