CVE-2026-91315: Oracle JD Edwards EnterpriseOne Tools privilege escalation in Installation Security

CVE-2026-91315 · Severity: high · CVSS 7.8 · Published 2026-10-20

JD Edwards EnterpriseOne Tools is an enterprise resource planning system used to manage business operations. A vulnerability in its Installation Security component allows an unauthenticated attacker with local system access to gain full control over the application through a malicious operation, provided a legitimate user is tricked into performing an action. Exploitation results in complete compromise of confidentiality, integrity, and availability of the system.

Technologies: Oracle JD Edwards EnterpriseOne Tools. Vendors: Oracle.

Quick answers

Is CVE-2026-91315 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91315 being exploited in the wild.
How severe is CVE-2026-91315?
High severity, with a CVSS score of 7.8, published 20 October 2026.
Which products and versions are affected?
Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 to 9.2.26.5.
Is there a fix for CVE-2026-91315?
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-2026-91315 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2026-91315?
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

The vulnerability is an easily exploitable privilege escalation in the Installation Security component requiring local access to the infrastructure and user interaction to trigger. An unauthenticated attacker who gains local system access can escalate privileges by inducing a user to perform a specific action, leading to arbitrary code execution and full system compromise. The flaw affects all supported versions from 9.2.0.0 through 9.2.26.5; no patch status is currently available from the advisory.

Affected products

  • Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 to 9.2.26.5

Timeline

  • 2026-10-20: disclosed

References

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