CVE-2026-70749 in Hyperion Financial Reporting
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Hyperion Financial Reporting product of Oracle Hyperion (component: Server). The supported version that is affected is 11.2.25.0.000. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Financial Reporting. Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Financial Reporting. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the server component of Oracle Hyperion Financial Reporting, specifically affecting version 11.2.25.0.000 and potentially other supported releases in that lineage. This flaw represents a critical security deficiency that allows an unauthenticated attacker to compromise the integrity and availability of the application infrastructure. The severity is underscored by a CVSS v3.1 base score of 8.1, indicating a high level of risk due to significant impacts on confidentiality, integrity, and availability. The attack vector is network-based via HTTP, which means that exploitation does not require physical access or local system privileges, making it accessible to remote adversaries who can reach the target server over standard web protocols.
From a technical perspective, the vulnerability stems from an insufficient validation mechanism within the application logic handling incoming HTTP requests. Although the description notes the exploit is difficult, this typically refers to complex payload construction requirements rather than network accessibility barriers. The flaw likely involves improper sanitization of input data or insecure deserialization practices that allow malicious actors to execute arbitrary commands or manipulate server-side processes without valid authentication credentials. This aligns with common weaknesses found in enterprise reporting tools where dynamic content generation and report rendering engines may inadvertently expose internal APIs or file system paths to external inputs. The absence of required authentication for this specific attack path highlights a critical gap in the access control architecture, allowing unauthenticated users to interact with sensitive server functions that should be restricted to authorized personnel only.
The operational impact of successful exploitation is severe, potentially resulting in complete takeover of the Oracle Hyperion Financial Reporting instance. An attacker gaining such level of control can exfiltrate sensitive financial data, alter reporting outputs to manipulate business decisions, or disrupt service availability by crashing the application server. Given that financial reporting systems often contain highly confidential corporate data and are integral to regulatory compliance processes, a compromise could lead to significant reputational damage, legal liabilities, and operational downtime. The high confidentiality impact suggests direct access to proprietary information, while integrity impacts imply the ability to modify reports or configurations, and availability impacts indicate potential denial-of-service conditions through resource exhaustion or application crashes.
In terms of industry standard classifications, this vulnerability maps closely to CWE-287 Improper Authentication, as it allows unauthenticated access to privileged functions. It also relates to CWE-94 Code Injection if the exploitation involves injecting malicious code into server-side scripts, and potentially CWE-502 Deserialization of Untrusted Data if the flaw is rooted in processing unsafe serialized objects over HTTP. From a tactical standpoint within the MITRE ATT&CK framework, this vulnerability facilitates initial access through web application attacks (T1190) and could lead to privilege escalation or lateral movement depending on the underlying server environment configuration. The network-based nature of the attack places it firmly within remote exploitation techniques that target exposed services rather than local system vulnerabilities.
Mitigation strategies must prioritize immediate patching if Oracle has released a security update for version 11.2.25.0.000 or later affected versions. Organizations should verify their current build against Oracle Critical Patch Update advisories to ensure the specific server component is updated with the necessary fixes. In cases where patching is not immediately feasible, network-level controls such as Web Application Firewalls can be configured to inspect and block suspicious HTTP payloads that exhibit patterns of injection or exploitation attempts. Additionally, restricting access to the Hyperion Financial Reporting interface via IP whitelisting for known internal subnets reduces the attack surface by limiting exposure to untrusted networks. Implementing strict input validation on any custom integrations or APIs exposed through the reporting engine is also recommended to prevent similar flaws from being exploited in modified or extended functionalities. Regular security assessments and penetration testing focused on web application vulnerabilities are essential to identify and remediate such authentication bypasses before they can be leveraged by malicious actors.