CVE-2026-70678

Modified Modified - Updated After Analysis

Security Bypass in Oracle Hyperion Calculation Manager

Publication date: 2026-08-18

Last updated on: 2026-08-25

Assigner: Oracle

Description

Vulnerability in the Oracle Hyperion Calculation Manager product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Hyperion Calculation Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hyperion Calculation Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Calculation Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-18

Last Modified

2026-08-25

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-06

NVD

CVE-2026-70678

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	hyperion_calculation_manager	11.2.25.0.000

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Hyperion Calculation Manager version 11.2.25.0.000. It allows a low-privileged attacker with network access via HTTP to potentially compromise the system. Exploitation requires human interaction from someone other than the attacker.

Detection Guidance

Detection of CVE-2026-70678 requires monitoring for unauthorized access or modifications to Oracle Hyperion Calculation Manager. Check for unusual network traffic to the HTTP port used by the service. Review logs for suspicious activity involving low-privileged users. Ensure all instances of Oracle Hyperion Calculation Manager are updated to version 11.2.25.0.000 or later.

Impact Analysis

An attacker could gain unauthorized access to critical data or all accessible data in Oracle Hyperion Calculation Manager. They may also be able to modify or delete some data. The attack requires network access and user interaction.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of critical data, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy). Unauthorized access risks exposing sensitive data, potentially resulting in regulatory penalties or breaches of confidentiality obligations.

Mitigation Strategies

Apply the latest security patches from Oracle for Hyperion Calculation Manager version 11.2.25.0.000. Restrict network access to HTTP interfaces and enforce strong authentication. Monitor for unusual activity and limit user privileges to reduce attack surface.

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