CVE-2026-70677

Modified Modified - Updated After Analysis

Authentication 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Calculation Manager. Successful attacks require human interaction from a person other than the attacker. 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 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/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

2026-09-07

NVD

CVE-2026-70677

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 vulnerability affects Oracle Hyperion Calculation Manager version 11.2.25.0.000. It allows an unauthenticated attacker with network access via HTTP to potentially compromise the system. Exploitation requires human interaction from a victim. Successful attacks could lead to unauthorized access to critical data or full access to all accessible data in the system, as well as limited unauthorized modifications to that data.

Detection Guidance

Detection of this vulnerability requires monitoring for unauthorized access attempts to Oracle Hyperion Calculation Manager via HTTP. Check server logs for unusual HTTP requests targeting the Hyperion Calculation Manager component. Look for patterns indicating exploitation attempts, such as repeated requests or unexpected data access.

Impact Analysis

If exploited, this vulnerability could allow attackers to steal sensitive data stored in Oracle Hyperion Calculation Manager or make unauthorized changes to that data. Since it requires human interaction, attackers might trick users into triggering the exploit, such as through a malicious link or file. The impact includes data breaches and potential data tampering.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using Oracle Hyperion Calculation Manager could face legal penalties, reputational damage, or loss of certification if data breaches occur due to this issue.

Mitigation Strategies

Immediately restrict network access to Oracle Hyperion Calculation Manager via HTTP. Apply vendor patches or updates if available. Implement network segmentation to isolate the component. Monitor for suspicious activity and restrict user permissions to reduce potential impact.

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