CVE-2026-91308: Oracle JD Edwards EnterpriseOne Tools Installation Security unauthenticated access

CVE-2026-91308 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle JD Edwards EnterpriseOne Tools is an enterprise resource planning system used for managing business operations and customer relations. An unauthenticated attacker on the network can exploit a flaw in the installation security component to access critical business data without authentication. This allows unauthorized viewing of sensitive financial and operational information stored within the system.

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

Quick answers

Is CVE-2026-91308 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91308 being exploited in the wild.
How severe is CVE-2026-91308?
High severity, with a CVSS score of 7.5, 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-2026-91308?
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-2026-91308 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-91308?
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 unauthenticated access flaw in the Installation Security component of JD Edwards EnterpriseOne Tools, exploitable via Oracle Net protocol over the network without requiring user interaction. An attacker with network access can compromise the system and retrieve all accessible data from the database, though no modification or denial of service capability is present. The issue affects versions 9.2.0.0 through 9.2.26.5.

Affected products

  • Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 through 9.2.26.5

Timeline

  • 2026-10-20: disclosed

References

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