# CVE-2026-87129: Oracle Hyperion Data Relationship Management authentication bypass

Source: https://junglewise.ai/threats/cve-2026-87129-oracle-hyperion-data-relationship-management-authentication  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-87129 · Severity: critical · CVSS 9.1 · Published 2026-09-15

Oracle Hyperion Data Relationship Management is a data governance and relationship platform used by enterprises to manage critical business data structures. An unauthenticated attacker can exploit a flaw in the access control layer to gain unauthorized access to sensitive data and modify or delete critical information without any credentials, potentially disrupting business operations and exposing confidential corporate data.

Technologies: [Oracle Hyperion Data Relationship Management](https://junglewise.ai/threats/technologies/hyperion-data-relationship-management). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-87129 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87129 being exploited in the wild.

**How severe is CVE-2026-87129?** Critical severity, with a CVSS score of 9.1, published 15 September 2026.

**Which products and versions are affected?** Oracle Hyperion Data Relationship Management 11.2.26.0.000.

**Is there a fix for CVE-2026-87129?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-87129 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-87129?** Check whether you run Oracle Hyperion Data Relationship Management at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an authentication bypass or authorization flaw in the Access and Security component of Oracle Hyperion Data Relationship Management version 11.2.26.0.000. An unauthenticated attacker with network access can reach the affected component via HTTP without requiring authentication credentials. Successful exploitation allows the attacker to read, create, modify, or delete data accessible to the application, resulting in both confidentiality and integrity compromise of all data managed by the system. No patch information is currently available.

## Affected products

- Oracle Hyperion Data Relationship Management 11.2.26.0.000

## Timeline

- 2026-09-15: disclosed

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

- [Oracle Hyperion Data Relationship Management denial of service in Access and security](https://junglewise.ai/threats/cve-2026-87148-oracle-hyperion-data-relationship-management-denial-of-service-in)
- [Oracle Hyperion Data Relationship Management access control bypass](https://junglewise.ai/threats/cve-2026-87147-oracle-hyperion-data-relationship-management-access-control)
- [Oracle Hyperion Data Relationship Management unauthorized access in access control](https://junglewise.ai/threats/cve-2026-87146-oracle-hyperion-data-relationship-management-unauthorized-access)
- [Oracle Hyperion Data Relationship Management authentication bypass](https://junglewise.ai/threats/cve-2026-87145-oracle-hyperion-data-relationship-management-authentication)
- [Oracle Hyperion Data Relationship Management cross-site request forgery in access control](https://junglewise.ai/threats/cve-2026-87144-oracle-hyperion-data-relationship-management-cross-site-request)