CVE-2026-87229 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 creation, deletion or modification access to critical data or all Oracle Hyperion Financial Management accessible data as well as unauthorized read access to a subset 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:L/I:H/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 allows for unauthorized access to sensitive financial data managed by the enterprise resource planning system. The nature of this vulnerability is particularly concerning because it does not require any form of authentication, meaning an attacker can initiate exploitation attempts without possessing valid user credentials or prior access privileges. This characteristic significantly lowers the barrier to entry for malicious actors seeking to compromise the integrity and confidentiality of organizational financial records.
From a technical perspective, the exploit vector relies on network connectivity via HTTP, indicating that the vulnerability is remotely exploitable over standard web protocols. The low complexity of exploitation suggests that the underlying code flaw may involve improper input validation, broken access control mechanisms, or insecure direct object references within the application logic handling security-related requests. Because the attack requires no user interaction and has a high likelihood of success due to its simplicity, it poses an immediate threat to any instance of this software exposed to network traffic without sufficient perimeter defenses such as web application firewalls or strict IP whitelisting.
The operational impact of successfully exploiting this vulnerability is severe, encompassing both confidentiality and integrity breaches while leaving availability largely unaffected according to the provided CVSS metrics. An attacker with successful access can perform unauthorized creation, deletion, or modification of critical data within Oracle Hyperion Financial Management. This capability allows for the alteration of financial statements, transaction records, or configuration settings that could lead to significant financial fraud, regulatory non-compliance, and operational disruption. Furthermore, the vulnerability grants unauthorized read access to a subset of accessible data, enabling the exfiltration of sensitive financial information such as revenue figures, expense reports, or employee salary details. This dual impact on confidentiality and integrity underscores the severity of the risk posed by this flaw.
In terms of industry-standard classification systems, this vulnerability aligns with CWE-287 Improper Authentication, where an actor is able to bypass authentication mechanisms, and potentially CWE-601 URL Redirection to Untrusted Site or CWE-918 Server-Side Request Forgery depending on the specific technical implementation details not fully disclosed in the summary. The attack pattern corresponds to MITRE ATT&CK techniques related to Initial Access via web applications, specifically leveraging vulnerabilities that allow for privilege escalation from an unauthenticated state to a privileged one capable of data manipulation. The CVSS 3.1 base score of 8.2 reflects this high severity, driven primarily by the High impact on Integrity and Low impact on Confidentiality, combined with Network Attack Vector, Low Complexity, and No Privileges Required.
To mitigate this risk, organizations running Oracle Hyperion Financial Management version 11.2.26.0.000 must prioritize applying the latest security patches provided by Oracle as soon as they are available. Until patching is implemented, immediate compensating controls should be deployed to restrict network access to the application server. This includes configuring firewalls or reverse proxies to allow HTTP traffic only from trusted internal IP addresses and blocking all external internet-based connections to the vulnerable endpoints. Additionally, implementing strict input validation on any exposed APIs or web forms can help mitigate exploitation attempts that rely on malformed requests. Regular vulnerability scanning and penetration testing should be conducted to identify similar weaknesses in related components of the Hyperion suite, ensuring a comprehensive security posture for financial data management systems.