CVE-2026-87196 in Hyperion Financial Management
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Hyperion Financial Management product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.26.0.000. Easily exploitable vulnerability allows unauthenticated 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 as well as unauthorized update, insert or delete access to some of Oracle Hyperion Financial Management accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Security component of Oracle Hyperion Financial Management, specifically affecting version 11.2.26.0.000 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 environment. The attack vector is network-based via HTTP, which significantly lowers the barrier for exploitation as it does not require physical access or local system privileges on the target machine. An attacker with basic networking capabilities can initiate an exploit against this vulnerability without needing valid credentials or user interaction, making it a high-risk issue in environments where Hyperion Financial Management is exposed to internal or external networks.
From a technical perspective, the flaw allows for unauthorized access to critical data and complete access to all accessible data within the Oracle Hyperion Financial Management system. Furthermore, the vulnerability extends beyond mere information disclosure by enabling unauthorized update, insert, or delete operations on certain datasets. This dual impact on both confidentiality and integrity indicates that the underlying security mechanism fails to properly validate requests from unauthenticated sources before processing sensitive database commands. The absence of proper authentication checks at this specific entry point allows malicious actors to bypass access controls entirely, effectively treating an untrusted user as a privileged administrator for data manipulation tasks.
The operational impact of this vulnerability is severe due to the nature of financial management systems which handle highly sensitive corporate financial data, including ledgers, budgets, and forecasts. A successful exploitation could lead to significant financial fraud through the alteration or deletion of transaction records, compromising the accuracy of financial reporting. Additionally, the complete access to all accessible data poses a substantial risk for intellectual property theft and competitive intelligence gathering by adversaries. The CVSS 3.1 base score of 8.2 reflects this high severity, driven primarily by the High impact on Confidentiality and Low impact on Integrity, with no Impact on Availability in the current assessment. This scoring aligns with CWE-287 (Improper Authentication) as the root cause, where the system fails to adequately verify the identity of users attempting to access resources.
In terms of threat modeling, this vulnerability maps directly to MITRE ATT&CK techniques related to Initial Access and Credential Access. Specifically, it facilitates unauthorized entry into a network environment without detection or authentication challenges, akin to T1078 (Valid Accounts) if credentials were compromised later, but primarily representing an unauthenticated access vector similar to T1190 (Exploit Public-Facing Application). The ability to modify data also touches upon Persistence and Impact tactics, as attackers could inject malicious configurations or alter financial records to mask their activities or cause long-term damage. Organizations relying on this software for critical business operations must recognize that the exposure of such a high-severity flaw creates an immediate window of opportunity for targeted attacks aimed at financial fraud or corporate espionage.
Mitigation strategies should prioritize immediate patching if Oracle has released a security update addressing this specific CVE in versions subsequent to 11.2.26.0.000. If patching is not immediately feasible, network-level controls are essential. Implementing strict firewall rules to restrict HTTP access to the Hyperion Financial Management application only from trusted IP addresses or internal subnets can significantly reduce the attack surface. Additionally, deploying a Web Application Firewall (WAF) with rulesets tuned for Oracle applications may help detect and block exploit attempts targeting this vulnerability. It is also critical to ensure that any reverse proxy configurations do not inadvertently expose unauthenticated endpoints by stripping necessary authentication headers before they reach the backend application server. Regular security audits and penetration testing should be conducted to verify that these compensating controls are effective in preventing unauthorized access through HTTP interfaces.