# CVE-2026-91383: Oracle JD Edwards EnterpriseOne Tools unauthorized data access in Monitoring and Diagnostics

Source: https://junglewise.ai/threats/cve-2026-91383-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-2026-91383 · Severity: medium · CVSS 6.6 · Published 2026-10-20

Oracle JD Edwards EnterpriseOne Tools is an enterprise resource planning system used by organizations to manage business operations and customer relations. A vulnerability in the Monitoring and Diagnostics component allows a high-privileged network attacker to gain unauthorized access to sensitive business data and make unauthorized modifications. The flaw could expose critical financial, customer, and operational information stored across the JD Edwards system and potentially affect dependent systems.

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-2026-91383 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91383 being exploited in the wild.

**How severe is CVE-2026-91383?** Medium severity, with a CVSS score of 6.6, published 20 October 2026.

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

**Is there a fix for CVE-2026-91383?** 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-2026-91383 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91383?** 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 access control vulnerability in the Monitoring and Diagnostics SEC component of JD Edwards EnterpriseOne Tools. It requires high privilege level and network access over HTTP to exploit, making it difficult to weaponize. A successful exploit grants unauthorized read access to all accessible data and unauthorized modification of some data, with scope change indicating potential impact to systems beyond JD Edwards itself.

## Affected products

- Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 through 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 Web Runtime SEC](https://junglewise.ai/threats/cve-2026-91384-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)