Summary
CVE-2026-87175 is a critical, easily exploitable vulnerability in the Security component of Oracle Hyperion Financial Management that allows a completely unauthenticated, remote attacker to compromise the product over a network without any user interaction. Successful exploitation results in unauthorized access to and modification of critical data within Hyperion Financial Management, potentially exposing sensitive financial consolidation and reporting data. Oracle rates the flaw 9.1 (Critical) on the CVSS v3.1 scale and disclosed it in the September 2026 Critical Security Patch Update.
Technical details
- Root cause: A flaw in the Security component of Oracle Hyperion Financial Management that fails to properly enforce authentication/authorization before allowing sensitive operations.
- Trigger conditions: The vulnerability is remotely exploitable over TCP; no authentication, privileges, or user interaction are required to trigger it.
- Attack vector: Network (AV:N) with low attack complexity (AC:L), meaning an attacker only needs network access to the exposed Hyperion Financial Management service to attempt exploitation.
- Impact: High confidentiality and high integrity impact — attackers can access and modify data within the application. Availability is not impacted, and Oracle notes the scope is unchanged (the vulnerability does not allow the attacker to affect components beyond the Hyperion Financial Management Security component itself).
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 fix provided by Oracle in the September 2026 Critical Security Patch Update for Oracle Hyperion Financial Management version 11.2.26.0.000. Oracle strongly recommends applying the patch as soon as possible, as the vulnerability is remotely exploitable without authentication.
- If immediate patching is not possible: Restrict network access to Hyperion Financial Management to trusted internal networks only, and avoid exposing the application’s management/service ports directly to the internet, until the patch can be applied.
- Review Oracle Hyperion Financial Management logs for anomalous, unauthenticated access attempts as an interim compensating control.

