CVE-2026-91330 Oracle Corporation CVE debrief

Who should care

Defenders responsible for JD Edwards EnterpriseOne Tools installations, particularly those with low-privileged user access, should assess exposure and prioritize remediation. Defenders should also verify the inventory of JD Edwards EnterpriseOne Tools installations, assess exposure to low-privileged users, and apply vendor remediation to prevent partial DOS. This includes reviewing compensating controls for exposed systems while remediation is scheduled,

Why it matters

Defenders should prioritize verifying the inventory of JD Edwards EnterpriseOne Tools installations, assessing exposure to low-privileged users, and applying vendor remediation to prevent partial DOS.

• Verify inventory of affected JD Edwards EnterpriseOne Tools installations
• Assess exposure to low-privileged users
• Apply vendor remediation to prevent partial DOS

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools allows a low-privileged attacker with logon access to compromise the product, resulting in a partial denial of service (partial DOS). The vulnerability is in the Installation Security component, and successful attacks can result in unauthorized ability to cause a partial denial of service (partial DOS) of JD Edwards EnterpriseOne Tools. The CVSS 3.1 Base Score is 3.3, indicating a low severity. Defenders should prioritize verifying the inventory of JD Edwards EnterpriseOne Tools installations, assessing exposure to low-privileged users, and applying vendor remediation.

Defensive priority

Defenders should prioritize verifying the inventory of JD Edwards EnterpriseOne Tools installations, assessing exposure to low-privileged users, and applying vendor remediation.

Recommended defensive actions

• Verify the inventory of JD Edwards EnterpriseOne Tools installations
• Assess exposure to low-privileged users
• Apply vendor remediation
• 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, affected versions, and CVSS score. Oracle's security alert page is referenced for further information. Defenders should verify the inventory of JD Edwards EnterpriseOne Tools installations, assess exposure to low-privileged users, and apply vendor remediation to prevent partial DOS. The vulnerability allows a low-privileged attacker with logon access to compromise the product, resulting in a partial denial of service (partial DOS).

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.