CVE-2026-91301 Oracle Corporation CVE debrief

Who should care

Defenders and administrators responsible for JD Edwards EnterpriseOne Tools systems, especially those with low-privileged access, should assess exposure and potential impact. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify exposure, assess potential impact on data integrity and availability, and implement compensating controls to limit access to JD Edwards EnterpriseOne Tools.

Why it matters

Defenders should care about CVE-2026-91301 because it allows a low-privileged attacker to potentially modify data and cause partial denial of service in JD Edwards EnterpriseOne Tools, requiring verification of exposure and assessment of impact.

• Potential unauthorized data modifications
• Partial denial of service (partial DOS)
• Verification of system configurations and access controls required
• Assessment of potential impact on data integrity and availability necessary

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools allows a low-privileged attacker with logon to the infrastructure to compromise the system, potentially leading to unauthorized data modifications and partial denial of service. The vulnerability affects the Monitoring and Diagnostics SEC component of JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.5. Successful attacks can result in unauthorized update, insert or delete access to some accessible data and partial denial of service (partial DOS). A low-privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes can compromise JD Edwards EnterpriseOne Tools.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on systems with low-privileged access to JD Edwards EnterpriseOne Tools.

Recommended defensive actions

• Verify exposure by checking system configurations and access controls
• Assess potential impact on data integrity and availability
• Implement compensating controls to limit access to JD Edwards EnterpriseOne Tools
• Monitor for suspicious activity related to low-privileged access
• Review 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, its impacts, and affected versions. However, the corpus does not establish exploitation or remediation details. Defenders should verify exposure by checking system configurations and access controls, assess potential impact on data integrity and availability, and monitor for suspicious activity related to low-privileged access. The vulnerability affects JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.5, and a low-privileged attacker with logon to the where JD 6

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.