CVE-2026-91294 Oracle Corporation CVE debrief

Who should care

Defenders responsible for JD Edwards EnterpriseOne Tools deployments, particularly those with network-accessible systems and low-privileged users, should assess exposure and prioritize patching.

Why it matters

CVE-2026-91294 is a medium-severity vulnerability in JD Edwards EnterpriseOne Tools that allows low-privileged attackers with network access to cause a partial denial of service. Defenders should prioritize verifying exposure, applying patches, and enforcing least privilege principles.

• Verify and prioritize patching for JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.5
• Assess network access controls to limit exposure to potential attacks
• Enforce least privilege principles for users with network access via JDENET

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools, tracked as CVE-2026-91294, allows low-privileged attackers with network access via JDENET to compromise the system, leading to a partial denial of service. The CVSS 3.1 Base Score is 4.3, indicating a medium severity. The vulnerability affects versions 9.2.0.0-9.2.26.5. Defenders should prioritize verifying exposure and applying patches, focusing on network access controls and user privileges. The CVE and NVD records provide additional details on the vulnerability and its impact.

Defensive priority

Defenders should prioritize verifying exposure and applying patches, focusing on network access controls and user privileges.

Recommended defensive actions

• Verify and apply Oracle's patch for CVE-2026-91294
• Review network access controls to limit exposure
• Assess user privileges and enforce least privilege principles
• Implement monitoring to detect potential attacks
• Maintain an inventory of affected assets
• Establish a rollback plan for changes
• Track the status of remediation efforts

Evidence notes

The CVE and NVD records provide details on the vulnerability, its impact, and affected versions. Oracle's security alert offers guidance on remediation. The vulnerability is tracked as CVE-2026-91294 and has a CVSS 3.1 Base Score of 4.3. The affected versions are 9.2.0.0-9.2.26.5. Defenders should verify exposure and apply patches, focusing on network access controls and user privileges. The NVD record provides additional context on the vulnerability's 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.