# CVE-2026-91384: Oracle JD Edwards EnterpriseOne Tools unauthorized data access in Web Runtime SEC

Source: https://junglewise.ai/threats/cve-2026-91384-vulnerability-in-the-jd-edwards-enterpriseone-tools-product-of  
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-2026-91384 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Oracle JD Edwards EnterpriseOne Tools is a business application platform that manages enterprise data and processes. A vulnerability in the Web Runtime SEC component allows a low-privileged user with network access to read sensitive business data or gain unauthorized access to all data within the system. An attacker could expose confidential financial, operational, or customer information without requiring administrator privileges.

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

## Quick answers

**Is CVE-2026-91384 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91384 being exploited in the wild.

**How severe is CVE-2026-91384?** Medium severity, with a CVSS score of 6.5, published 20 October 2026.

**Which products and versions are affected?** Oracle JD Edwards EnterpriseOne Tools 9.2.0.0-9.2.26.5.

**Is there a fix for CVE-2026-91384?** 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-2026-91384 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-91384?** Check whether you run Oracle JD Edwards EnterpriseOne Tools 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

This is an unauthorized information disclosure vulnerability in the JD Edwards EnterpriseOne Tools Web Runtime SEC component. It requires network access via JDENET and a low-privilege user account (pre-authentication not required, but user context needed); successful exploitation results in unauthorized read access to critical data. The vulnerability affects versions 9.2.0.0 through 9.2.26.5.

## Affected products

- Oracle JD Edwards EnterpriseOne Tools 9.2.0.0-9.2.26.5

## 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 Tools CSRF vulnerability](https://junglewise.ai/threats/cve-2026-91455-vulnerability-in-the-jd-edwards-enterpriseone-tools-product-of)
- [Oracle JD Edwards EnterpriseOne Tools unauthorized data access in Monitoring and Diagnostics](https://junglewise.ai/threats/cve-2026-91383-vulnerability-in-the-jd-edwards-enterpriseone-tools-product-of)
- [Oracle JD Edwards EnterpriseOne Tools privilege escalation in Installation Security](https://junglewise.ai/threats/cve-2026-91329-vulnerability-in-the-jd-edwards-enterpriseone-tools-product-of)
- [Oracle JD Edwards EnterpriseOne Tools privilege escalation in Deployment SEC](https://junglewise.ai/threats/cve-2026-91328-vulnerability-in-the-jd-edwards-enterpriseone-tools-product-of)
- [Oracle JD Edwards EnterpriseOne Tools physical access compromise in Installation Security](https://junglewise.ai/threats/cve-2026-91327-vulnerability-in-the-jd-edwards-enterpriseone-tools-product-of)