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CVE-2026-87184 – Unauthenticated SQL-Based Remote Compromise – Oracle Hyperion Financial Management

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Summary

CVE-2026-87184 is a critical, easily exploitable vulnerability in the Security component of Oracle Hyperion Financial Management. It allows an unauthenticated attacker with network access via SQL to fully compromise the affected system, with Oracle stating that successful exploitation can result in complete takeover of the application. The flaw carries a CVSS v3.1 base score of 9.8 (Critical) and was disclosed by Oracle on September 15, 2026.

Technical details

  • Root cause: The vulnerability resides in the Security component of Oracle Hyperion Financial Management and is reachable via SQL, indicating a SQL-based flaw in how the application processes data/queries within this component.
  • Trigger conditions: No authentication or user interaction is required to trigger the vulnerability; the attacker only needs network access to the SQL interface exposed by the affected component.
  • Attack vector: Network (AV:N) — the vulnerability is remotely exploitable over the network without any privileges (PR:N) or user interaction (UI:N).
  • Impact: Oracle describes the result of successful exploitation as "takeover" of Oracle Hyperion Financial Management, with high impact to confidentiality, integrity, and availability of the affected instance.

Affected software

  • Oracle Hyperion Financial Management, version 11.2.26.0.000

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the fix provided in Oracle’s September 2026 Critical Security Patch Update (CSPU) advisory for Oracle Hyperion Financial Management 11.2.26.0.000. Organizations should confirm which specific patch corresponds to this CVE within the advisory and apply it as soon as possible given the unauthenticated, network-exploitable nature of the flaw.
  • If immediate patching is not possible: Restrict network access to Oracle Hyperion Financial Management, particularly to the Security component and any exposed SQL-related interfaces, to trusted internal networks only, and place the application behind strict network segmentation/firewall controls until the patch can be applied.
  • Monitor Oracle Hyperion Financial Management instances for unusual SQL activity or unauthorized administrative actions as an interim compensating control.

References

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