CVE-2026-91269 Oracle Corporation CVE debrief

Who should care

Defenders and administrators of JD Edwards EnterpriseOne Tools, especially those with low-privileged network access, should assess exposure and prioritize mitigation. Data integrity and confidentiality are at risk, making swift action crucial.

Why it matters

CVE-2026-91269 is a high-severity vulnerability in Oracle JD Edwards EnterpriseOne Tools that allows low-privileged attackers to compromise data integrity and confidentiality. Defenders should prioritize patching, implement access controls, and monitor for suspicious activity.

• Potential unauthorized creation, deletion, or modification access to critical data or all JD Edwards EnterpriseOne Tools accessible data.
• Potential unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data.
• Requires verification of affected versions and remediation status.
• Necessitates monitoring for suspicious data access or modification attempts.

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools' Enterprise Infrastructure SEC component allows low-privileged attackers with network access via HTTP to compromise the system, leading to potential unauthorized data modifications or access. The CVSS 3.1 Base Score is 8.1, indicating high severity due to confidentiality and integrity impacts. Affected versions are 9.2.0.0-9.2.26.5. Defenders should prioritize patching or mitigating this vulnerability, especially in environments where low-privileged access is common and data integrity is crucial.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability, especially in environments where low-privileged access is common and data integrity is crucial.

Recommended defensive actions

• Assess exposure and prioritize patching for JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.5.
• Implement network access controls to limit low-privileged access to JD Edwards EnterpriseOne Tools.
• Monitor for unauthorized data modifications or access attempts.
• Review and enhance data backup and recovery procedures.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its impacts, and affected versions. Oracle's security alert page may offer additional context or patches. The vulnerability affects JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.5. Defenders should verify the affected scope and remediation status. Limited source detail is available; explicit evidence-limit language and defensive verification tasks are necessary.

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.