CVE-2026-91291 Oracle Corporation CVE debrief

Who should care

Defenders and administrators of JD Edwards EnterpriseOne Tools installations, especially those with low-privileged users with logon access to the infrastructure, should assess exposure and prioritize verification and remediation efforts.

Why it matters

Defenders should care about CVE-2026-91291 because it allows a low-privileged attacker to compromise JD Edwards EnterpriseOne Tools, potentially leading to unauthorized data modifications and access. Verification of exposure and remediation priority are crucial for systems with low-privileged users.

• Potential unauthorized data modifications
• Potential unauthorized data access
• Verification of system integrity required
• Remediation priority for affected systems

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Business Logic Infra SEC) allows a low-privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools. Successful attacks can result in unauthorized update, insert or delete access to some accessible data as well as unauthorized read access to a subset of accessible data.

Defensive priority

Defenders should prioritize verifying exposure and assessing the impact of this vulnerability on their systems, especially those with low-privileged users with logon access to the infrastructure.

Recommended defensive actions

• Verify exposure of JD Edwards EnterpriseOne Tools installations to this vulnerability
• Assess the impact of this vulnerability on systems with low-privileged users
• Review and apply vendor-provided patches or updates
• Monitor systems for unauthorized access or data modifications
• 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

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its impacts, and affected versions. However, the corpus does not establish exploitation or remediation details, requiring verification from official sources.

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.