# CVE-2026-87134: Missing authorization in Oracle Hyperion Data Relationship Management

> A low-privileged attacker can gain unauthorized access to critical data in Oracle Hyperion Data Relationship Management via network access.

- **Severity:** High 7.7 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Sep 2026
- **Updated:** 21 Sep 2026
- **Also known as:** GHSA-pj27-wvfx-4399

## What is CVE-2026-87134?

CVE-2026-87134 is a high-severity missing authorization vulnerability in Oracle Hyperion Data Relationship Management, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Vulnerability in the Oracle Hyperion Data Relationship Management product of Oracle Hyperion (component: Access and security).   The supported version that is affected is 11.2.26.0.000. Easily exploitable vulnerability allows low privileged attacker with network access via TCP to compromise Oracle Hyperion Data Relationship Management.  While the vulnerability is in Oracle Hyperion Data Relationship Management, 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 Data Relationship Management accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-87134?

It affects 1 product.


Products: Oracle Hyperion Data Relationship Management.

## How do I fix CVE-2026-87134?

No fix has been published for CVE-2026-87134 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-87134 being exploited?

There is no known exploitation of CVE-2026-87134 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Hyperion Data Relationship Management

- [CVE-2026-70880](https://insights.sbomify.com/CVE-2026-70880/): Auth bypass in Oracle Hyperion Data Relationship Management (critical 10.0)
- [CVE-2026-70871](https://insights.sbomify.com/CVE-2026-70871/): Auth bypass in Oracle Hyperion Data Relationship Management (critical 9.8)
- [CVE-2026-70873](https://insights.sbomify.com/CVE-2026-70873/): Auth bypass in Oracle Hyperion Data Relationship Management (critical 9.8)
- [CVE-2026-87128](https://insights.sbomify.com/CVE-2026-87128/): Missing authorization in Oracle Hyperion Data Relationship Management (critical 9.1)
- [CVE-2026-87129](https://insights.sbomify.com/CVE-2026-87129/): Missing authorization in Oracle Hyperion Data Relationship Management (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-87134 and fix it if it is affected.

What it is: CVE-2026-87134 is a high-severity missing authorization vulnerability in Oracle Hyperion Data Relationship Management, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-87134 in the wild and no public exploit code.

Affected product: Oracle Hyperion Data Relationship Management. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-87134/ (Markdown: https://insights.sbomify.com/CVE-2026-87134/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-87134
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-87134
- OSV: https://osv.dev/vulnerability/CVE-2026-87134

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-87134/
Summaries are generated and may contain mistakes; the official description above is the record.