CVE-2026-91307 Oracle Corporation CVE debrief

Who should care

Defenders responsible for JD Edwards EnterpriseOne Tools installations, particularly those using versions 9.2.0.0-9.2.26.5, should assess exposure and prioritize verification and potential remediation. This includes operators, platform administrators, vulnerability management teams, and security teams.

Why it matters

Defenders should prioritize verifying exposure of JD Edwards EnterpriseOne Tools installations, particularly versions 9.2.0.0-9.2.26.5, due to a high-severity vulnerability allowing potential unauthorized access to critical data.

• Potential unauthorized access to critical data
• Need for verification of JD Edwards EnterpriseOne Tools installations
• Potential requirement for patches or compensating controls

Technical summary

A vulnerability in JD Edwards EnterpriseOne Tools (component: Installation Security) allows unauthenticated attackers with network access via Oracle Net to compromise the system and access critical data. The vulnerability affects versions 9.2.0.0-9.2.26.5 and has a CVSS 3.1 Base Score of 7.5. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Defensive priority

Defenders should prioritize verifying exposure of JD Edwards EnterpriseOne Tools installations, particularly versions 9.2.0.0-9.2.26.5, and assess the need for patches or compensating controls.

Recommended defensive actions

• Verify JD Edwards EnterpriseOne Tools installations for exposure, particularly versions 9.2.0.0-9.2.26.5
• Assess the need for patches or compensating controls
• Monitor for potential unauthorized access attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in JD Edwards EnterpriseOne Tools, but vendor confirmation and additional impact details are limited. The vulnerability allows unauthenticated attackers with network access via Oracle Net to compromise the system and access critical data. Defenders should verify exposure of JD Edwards EnterpriseOne Tools installations, particularly versions 9.2.0.0-9.2.26.5.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.