---
title: "CVE-2026-87128: Oracle Hyperion Data Relationship Management - Broken Access Control"
description: "Oracle Hyperion Data Relationship Management 11.2.26.0.000 contains an access control vulnerability in Access and security, letting unauthenticated network attackers via HTTP create, delete, or modify critical data, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-87128/
---

# CVE-2026-87128 Oracle Hyperion Data Relationship Management - Broken Access Control

Oracle Hyperion Data Relationship Management 11.2.26.0.000 contains an access control vulnerability in Access and security, letting unauthenticated network attackers via HTTP create, delete, or modify critical data, exploit requires network access.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.43% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-87128)

## Details

Type

Broken Access Control

Impact

Data Tampering, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Update to the latest version of Oracle Hyperion Data Relationship Management.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-87128](https://nvd.nist.gov/vuln/detail/CVE-2026-87128)
- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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