CVE-2026-91283 Oracle Corporation CVE debrief

Who should care

Defenders responsible for JD Edwards EnterpriseOne Tools deployments, particularly those with network-accessible systems, should assess exposure and prioritize remediation to prevent potential unauthorized data access.

Why it matters

CVE-2026-91283 is a medium-severity vulnerability in JD Edwards EnterpriseOne Tools that allows unauthenticated attackers to gain unauthorized read access to a subset of accessible data. Defenders should prioritize verifying exposure, applying remediation, and monitoring for potential security incidents.

• Verify exposure and apply remediation to prevent unauthorized data access
• Monitor for potential security incidents related to this vulnerability
• Assess and enhance network access controls to limit exploitation

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools, specifically in the Web Runtime SEC component, allows unauthenticated attackers with network access via HTTP to compromise the product. Successful attacks require human interaction and can result in unauthorized read access to a subset of accessible data. The CVSS 3.1 Base Score is 4.3, indicating a medium severity. The vulnerability affects versions 9.2.0.0-9.2.26.5 of JD Edwards EnterpriseOne Tools. Defenders should prioritize verifying exposure and applying remediation, focusing on network access controls and monitoring for potential unauthorized data access.

Defensive priority

Defenders should prioritize verifying exposure and applying remediation, focusing on network access controls and monitoring for potential unauthorized data access.

Recommended defensive actions

• Verify exposure by checking system versions and network access controls
• Apply remediation based on vendor guidance
• Monitor for potential unauthorized data access
• 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
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its impact, and affected versions. Oracle's security alert page may offer additional context. The vulnerability affects versions 9.2.0.0-9.2.26.5 of JD Edwards EnterpriseOne Tools. Defenders should verify exposure by checking system versions and network access controls. The CVE record was published on 2026-10-20T22:20:29.737Z and has not been modified since then. No additional information is available on known or unknown affected scope beyond the specified CV

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.