CVE-2026-91282 Oracle Corporation CVE debrief

Who should care

Defenders and security teams responsible for JD Edwards EnterpriseOne Tools, especially those with network exposure, should assess their environment for potential vulnerability and prioritize patching.

Why it matters

CVE-2026-91282 is a medium-severity vulnerability in JD Edwards EnterpriseOne Tools that allows unauthenticated attackers to potentially access critical data. Defenders should assess exposure, prioritize patching, and monitor for unauthorized access.

• Potential unauthorized access to critical data.
• Need to verify patch status for JD Edwards EnterpriseOne Tools.
• Possible impact on data confidentiality.

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools (component: Portal SEC) allows an unauthenticated attacker with network access via HTTP to compromise the system, potentially leading to unauthorized access to critical data. The CVSS 3.1 Base Score is 5.9 (Confidentiality impacts). The affected versions are 9.2.0.0-9.2.26.5. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. Defenders should assess exposure, prioritize patching, and monitor for unauthorized access.

Defensive priority

Medium priority for defenders to assess exposure and verify patches, given the potential for data access.

Recommended defensive actions

• Assess exposure of JD Edwards EnterpriseOne Tools in your environment.
• Verify if the system is running a vulnerable version (9.2.0.0-9.2.26.5).
• Apply patches or updates provided by Oracle as soon as possible.
• Monitor network access and authentication mechanisms.
• Review and update incident response plans.

Evidence notes

The CVE and NVD records provide details on the vulnerability, its CVSS score, and potential impacts. Oracle's security alert provides additional context. The vulnerability has a CVSS 3.1 Base Score of 5.9, indicating a medium-severity issue. The affected versions of JD Edwards EnterpriseOne Tools are 9.2.0.0-9.2.26.5. Defenders should verify patch status and monitor for unauthorized access. The CVE record was published on 2026-10-20T22:20:29.620Z and has not been modified since then. The NVD entry is currently Undergoing Analysis.

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.