CVE-2026-91290 Oracle Corporation CVE debrief

Who should care

System administrators and security teams responsible for JD Edwards EnterpriseOne Tools deployments should assess exposure and prioritize remediation. This includes reviewing the CVSS score and vector, verifying affected versions, and implementing compensating controls for exposed systems. IT teams should also monitor system logs for suspicious activity and perform vulnerability assessments to identify potential exposure.

Why it matters

Defenders should care about CVE-2026-91290 because it allows low-privileged attackers to compromise JD Edwards EnterpriseOne Tools, potentially leading to unauthorized access to critical data. System administrators and security teams responsible for JD Edwards EnterpriseOne Tools deployments should assess exposure and prioritize remediation. The vulnerability has a medium severity CVSS score, indicating a moderate level of risk. However, the actual impact and remediation status require verification from official sources.

• Potential unauthorized access to critical data
• Need for verification of affected versions and remediation status

Technical summary

The vulnerability in JD Edwards EnterpriseOne Tools allows low-privileged attackers with logon access to compromise the system, potentially leading to unauthorized access to critical data. The CVSS 3.1 Base Score is 5.5, indicating a medium severity. The vulnerability affects versions 9.2.0.0-9.2.26.5 and has a CVSS vector of (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). Defenders should focus on applying patches, restricting access, and monitoring system logs to mitigate the vulnerability. The vulnerability class is related to improper access control, allowing attackers to bypass security restrictions.

Defensive priority

Medium-priority defensive actions are recommended to address this vulnerability.

Recommended defensive actions

• Review and apply Oracle's security patches for JD Edwards EnterpriseOne Tools
• Restrict access to JD Edwards EnterpriseOne Tools to authorized personnel
• Monitor system logs for suspicious activity
• Perform vulnerability assessments to identify potential exposure
• Implement compensating controls for exposed systems
• Track exceptions and retest remediated assets
• Review relevant monitoring, detection, and logs for exposed assets

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions and remediation is needed. The vulnerability has a CVSS 3.1 Base Score of 5.5, indicating a medium severity. Defenders should verify the affected versions, assess exposure, and prioritize remediation based on the CVSS score and vector. Official sources, such as the CVE Program and NVD, provide source-provided CVE metadata and vulnerability assessments.

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.