CVE-2026-91298 Oracle Corporation CVE debrief

Who should care

Defenders responsible for JD Edwards EnterpriseOne Tools deployments, especially those with low-privileged network access, should assess potential exposure and scope changes to connected products.

Why it matters

Defenders should prioritize verifying exposure in JD Edwards EnterpriseOne Tools deployments, especially those with low-privileged network access, and assess potential scope changes to connected products due to the vulnerability allowing low-privileged attackers with network access via HTTP to compromise the product.

• Potential unauthorized data access and modifications
• Scope changes to connected products
• Need for verifying exposure in JD Edwards EnterpriseOne Tools deployments
• Priority for applying Oracle's security patches

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools, a component of Oracle JD Edwards, allows low-privileged attackers with network access via HTTP to compromise the product. Successful attacks require human interaction from a person other than the attacker and can result in unauthorized update, insert or delete access to some of JD Edwards EnterpriseOne Tools accessible data as well as unauthorized read access to a subset of JD Edwards EnterpriseOne Tools accessible data. The CVSS 3.1 Base Score is 5.4 (Confidentiality and Integrity impacts).

Defensive priority

Defenders should prioritize verifying exposure in JD Edwards EnterpriseOne Tools deployments, especially those with low-privileged network access, and assess potential scope changes to connected products.

Recommended defensive actions

• Verify JD Edwards EnterpriseOne Tools deployments for exposure, especially with low-privileged network access
• Assess potential scope changes to connected products
• Review and apply Oracle's security patches for JD Edwards EnterpriseOne Tools
• 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
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in JD Edwards EnterpriseOne Tools. Oracle's security alert also provides relevant information. The vulnerability is exploitable via HTTP and requires human interaction. The CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N). Defenders should verify exposure in JD Edwards EnterpriseOne Tools deployments and assess potential scope changes to connected products. Evidence from Oracle's security alert and CVE record suggests that attacks may significantly impact

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.