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CVE-2026-87196 – Unauthenticated Data Exposure / Integrity Bypass – Oracle Hyperion Financial Manage

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Summary

CVE-2026-87196 is a high-severity vulnerability in the Security component of Oracle Hyperion Financial Management, affecting version 11.2.26.0.000. The flaw allows an unauthenticated, network-based attacker communicating over HTTP to gain unauthorized access to critical data and to modify certain accessible information, without requiring any credentials or user interaction. Oracle rates the issue as "easily exploitable" with a CVSS v3.1 base score of 8.2.

Technical details

  • Root cause: A weakness in the Security component of Oracle Hyperion Financial Management that fails to properly enforce authentication/authorization controls before granting access to application data and functions.
  • Trigger conditions: No authentication or user interaction is required; the vulnerability is exploitable by simply sending crafted HTTP requests to a reachable Hyperion Financial Management instance.
  • Attack vector: Network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N).
  • Impact: High confidentiality impact — successful exploitation can grant complete access to all data accessible to Oracle Hyperion Financial Management — combined with a low integrity impact, meaning an attacker can also modify or delete some accessible data. There is no impact to availability.

Affected software

  • Oracle Hyperion Financial Management version 11.2.26.0.000

Severity

  • CVSS v3.1 Base Score: 8.2 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Mitigation and recommended actions

  • Immediate: Apply the Oracle security patch addressing CVE-2026-87196, released as part of Oracle’s September 2026 Critical Security Patch Update. Organizations running Oracle Hyperion Financial Management 11.2.26.0.000 should upgrade/patch to the version specified in Oracle’s advisory as soon as possible.
  • If immediate patching is not possible: Restrict network access to Oracle Hyperion Financial Management to trusted internal networks only, and avoid exposing the application’s HTTP interfaces directly to the internet, since the vulnerability is remotely exploitable without authentication.
  • Monitor Hyperion Financial Management access logs for anomalous or unauthenticated HTTP requests targeting the Security component as an interim detection measure.

References

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