CVE-2026-71085 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 high privileged attacker with network access via HTTP to compromise Oracle Hyperion Financial Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/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 that allows for unauthorized access to sensitive financial data managed by the platform. The nature of this weakness is characterized as an easily exploitable vulnerability, which lowers the barrier for potential attackers who possess high-level privileges within the system environment. While the requirement for high-privileged attacker status might suggest some internal control mechanisms are in place, the ease of exploitation indicates a fundamental failure in access validation or authentication logic that can be bypassed by insiders with elevated credentials or through privilege escalation attacks from lower-tier accounts.
From a technical perspective, the vulnerability is accessible via network connections using the HTTP protocol. This implies that the flaw likely involves improper handling of web-based requests where input validation, session management, or authorization checks are insufficiently enforced. An attacker leveraging this weakness does not require user interaction to execute the attack vector, as indicated by the absence of a User Interface requirement in the CVSS metrics. The network access aspect means that if the Oracle Hyperion Financial Management server is exposed to internal networks where such privileged accounts operate, or potentially externally if misconfigured with reverse proxies and insufficient segmentation, remote exploitation becomes feasible. The reliance on HTTP rather than HTTPS for this specific attack vector may also suggest issues related to transport layer security or session token interception in environments that have not fully enforced encrypted communications for all administrative interfaces.
The operational impact of successfully exploiting this vulnerability is severe regarding data confidentiality but limited in terms of integrity and availability. A successful compromise results in unauthorized access to critical financial data, which could include sensitive balance sheets, profit and loss statements, budget forecasts, and other proprietary financial information. In the worst-case scenario, an attacker gains complete access to all Oracle Hyperion Financial Management accessible data. This level of exposure poses a direct threat to organizational confidentiality and can lead to significant regulatory penalties under frameworks such as GDPR or SOX if sensitive corporate data is leaked. However, because the integrity and availability impacts are rated as none in the CVSS scoring, this vulnerability does not directly allow for data modification or service disruption, focusing its risk profile squarely on information disclosure rather than system takeover or ransomware-style attacks.
The Common Vulnerability Scoring System version 3.1 assigns a base score of 4.9 to this issue, classifying it as medium severity primarily due to the high impact on confidentiality. The vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N highlights that while the attack is network-based and requires low complexity, the prerequisite of high privileges significantly mitigates the overall risk score compared to a zero-day exploit requiring no authentication. This scoring reflects the reality that such vulnerabilities are often exploited by malicious insiders or compromised administrative accounts rather than external threat actors scanning for open ports without credentials. The lack of scope change indicates that the vulnerability is contained within the Oracle Hyperion Financial Management application boundary and does not allow an attacker to pivot easily to other systems on the network, although access to all data within this specific platform constitutes a major breach of trust.
In terms of industry standard classifications, this type of flaw typically aligns with CWE-284 Improper Access Control or CWE-798 Use of Hard-coded Credentials if authentication bypass is involved, and potentially CWE-613 insufficient session management depending on the exact mechanism. From an ATT&CK perspective, this vulnerability facilitates techniques related to Credential Access or Collection, allowing adversaries to harvest sensitive information once inside the perimeter. It may also relate to Initial Access vectors if high privileges are obtained through phishing or credential stuffing against administrative accounts that then exploit this specific flaw for deeper data exfiltration. Understanding these mappings helps in categorizing the risk within broader threat intelligence frameworks and aligning remediation efforts with recognized security controls.
Mitigation strategies must focus on both immediate technical fixes and long-term architectural improvements. Oracle should be consulted to apply any available patches or updates that address this specific version of Hyperion Financial Management, as vendors typically release hotfixes for critical vulnerabilities in supported versions. In the interim, organizations should enforce strict network segmentation to ensure that only authorized administrative workstations can access the HTTP interfaces associated with Hyperion financial management tools. Implementing robust identity and access management policies is crucial; this includes enforcing multi-factor authentication for all privileged accounts, regularly rotating credentials, and conducting audits of user permissions to ensure least privilege principles are strictly adhered to. Additionally, ensuring that all web traffic is encrypted via HTTPS can prevent session hijacking or man-in-the-middle attacks that might facilitate the exploitation of such access control flaws. Continuous monitoring of administrative logs for unusual data retrieval patterns can also help detect potential exploitation attempts early before significant data loss occurs.