# CVE-2026-91386: Oracle JD Edwards EnterpriseOne Orchestrator physical segment authentication bypass

Source: https://junglewise.ai/threats/cve-2026-91386-vulnerability-in-the-jd-edwards-enterpriseone-orchestrator  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91386 · Severity: medium · CVSS 6.8 · Published 2026-10-20

JD Edwards EnterpriseOne Orchestrator is enterprise resource planning (ERP) software that manages business processes. An attacker with physical access to the network segment where the Orchestrator hardware operates can bypass security controls and gain unauthorized access to create, delete, or modify critical business data without authentication.

Technologies: [Oracle JD Edwards EnterpriseOne Orchestrator](https://junglewise.ai/threats/technologies/jd-edwards-enterpriseone-orchestrator). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91386 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91386 being exploited in the wild.

**How severe is CVE-2026-91386?** Medium severity, with a CVSS score of 6.8, published 20 October 2026.

**Which products and versions are affected?** Oracle JD Edwards EnterpriseOne Orchestrator 9.2.0.0 to 9.2.26.5.

**Is there a fix for CVE-2026-91386?** 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-2026-91386 attacked?** It is attacked from the adjacent network, in a hosted service.

**Am I affected by CVE-2026-91386?** Check whether you run Oracle JD Edwards EnterpriseOne Orchestrator 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

An unauthenticated attacker with adjacent network access to the physical communication segment of the E1 IOT Orchestrator Security component can exploit this difficult-to-exploit vulnerability to compromise the system and gain unauthorized read and write access to sensitive data. The vulnerability affects JD Edwards EnterpriseOne Orchestrator versions 9.2.0.0 through 9.2.26.5, and successful exploitation results in confidentiality and integrity impacts to all accessible data.

## Affected products

- Oracle JD Edwards EnterpriseOne Orchestrator 9.2.0.0 to 9.2.26.5

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle JD Edwards EnterpriseOne Orchestrator remote code execution](https://junglewise.ai/threats/cve-2026-91299-vulnerability-in-the-jd-edwards-enterpriseone-orchestrator)
- [Oracle JD Edwards EnterpriseOne Orchestrator unauthorized data access in E1 IOT Orchestrator Security](https://junglewise.ai/threats/cve-2026-91285-vulnerability-in-the-jd-edwards-enterpriseone-orchestrator)
- [Oracle JD Edwards EnterpriseOne Orchestrator unauthorized data read](https://junglewise.ai/threats/cve-2026-91277-vulnerability-in-the-jd-edwards-enterpriseone-orchestrator)
- [Oracle JD Edwards EnterpriseOne Orchestrator unauthorized data access via HTTP](https://junglewise.ai/threats/cve-2026-91276-vulnerability-in-the-jd-edwards-enterpriseone-orchestrator)
- [Vulnerability in the JD Edwards EnterpriseOne Orchestrator product of Oracle JD Edwards (component: E1 IOT…](https://junglewise.ai/threats/cve-2026-61270-vulnerability-in-the-jd-edwards-enterpriseone-orchestrator)