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CVE-2026-87173 – Unauthenticated Remote Data Tampering – Oracle Hyperion Financial Management 11.2.2

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Summary

CVE-2026-87173 is a critical vulnerability in the Security component of Oracle Hyperion Financial Management that allows an unauthenticated, remote attacker with network access to gain unauthorized access to critical application data. Successful exploitation can result in unauthorized creation, deletion, or modification of records within Oracle Hyperion Financial Management. The flaw carries a CVSS v3.1 base score of 9.1 (Critical) and requires no authentication or user interaction to exploit.

Technical details

  • Root cause: A flaw in the Security component of Oracle Hyperion Financial Management that fails to properly enforce access controls, permitting unauthorized data operations.
  • Trigger conditions: No authentication or privileges are required; the attacker only needs network access to the affected Oracle Hyperion Financial Management instance.
  • Attack vector: Exploitable remotely over TCP (Attack Vector: Network, Attack Complexity: Low), with no user interaction required.
  • Impact: High confidentiality and integrity impact — attackers can gain unauthorized access to critical data and create, delete, or modify records. There is no availability impact reported for this specific CVE.

Affected software

  • Oracle Hyperion Financial Management version 11.2.26.0.000

Severity

  • CVSS v3.1 Base Score: 9.1 (CRITICAL)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Mitigation and recommended actions

  • Immediate: Apply the Oracle Security Patch Update released in September 2026 that addresses CVE-2026-87173 for Oracle Hyperion Financial Management. Consult Oracle’s official advisory for the specific patch identifier applicable to your environment.
  • If immediate patching is not possible: Restrict network access to Oracle Hyperion Financial Management to trusted internal networks only, place the application behind a firewall or VPN, and monitor for unusual data creation, deletion, or modification activity in Hyperion Financial Management until the patch can be applied.

References

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