Hyperion Financial Management EUVD-2026-61783

No authentication and no special configuration are required: the CVSS vector confirms PR:N (no privileges), AC:L (low complexity), and UI:N (no user interaction), meaning the flaw is exploitable against standard deployments of the affected version without any elevated access or victim action. The vulnerability is constrained to Oracle Hyperion Financial Management version 11.2.25.0.000 specifically - other versions are not confirmed affected. The primary limiting factor on real-world exploitation is network reachability: Hyperion Financial Management is typically deployed as an internal enterprise application, and organizations that have not exposed the HTTP interface to untrusted networks face substantially lower risk. However, deployments with external web portals, publicly routable application servers, or insufficiently segmented internal networks are directly exposed. Integrity and availability are not impacted; exploitation is confined to unauthorized read access to application data.

The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N confirms remote, unauthenticated, low-complexity exploitation with no user interaction, resulting in full confidentiality compromise. This combination is a strong signal of high real-world risk for any exposed instance: the authentication bypass nature of the flaw means there is no credential threshold to overcome. No EPSS score was provided in the available intelligence, so exploitation probability cannot be quantified numerically; however, the AC:L/PR:N pairing suggests that once a vulnerable endpoint is reachable, exploitation is not technically demanding. CISA KEV status is not confirmed, and no public POC has been identified at the time of analysis, which moderates the urgency of emergency response compared to a known-exploited flaw, but does not diminish the underlying severity. Integrity and availability are unaffected, limiting the blast radius to data theft rather than destruction or disruption. Given that Hyperion stores sensitive financial consolidation data, even a mid-sized enterprise finance team in kielce operating an internet-accessible Hyperion instance should treat patching as a high priority. Real-world exposure is substantially reduced for organizations that restrict Hyperion to internal networks only, but the AC:L vector means that insider threat or post-breach lateral movement scenarios are also relevant.

An unauthenticated attacker who can reach the Oracle Hyperion Financial Management server over HTTP sends crafted requests targeting the Security component, bypassing its authentication gate without supplying any credentials. With low complexity and no victim interaction required, the attacker enumerates and exfiltrates all financial data accessible to the application - including consolidated financial statements, budget figures, intercompany balances, and other EPM data. No public POC code has been identified, but the PR:N/AC:L CVSS vector indicates the exploit path is straightforward for an attacker already familiar with Hyperion's HTTP interface.