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PatchSiren cyber security CVE debrief

CVE-2026-91288 Oracle Corporation CVE debrief

A high-severity vulnerability exists in Oracle JD Edwards EnterpriseOne Tools, specifically in the Interoperability SEC component. The vulnerability, which has a CVSS score of 7.4, allows unauthenticated attackers with network access to potentially create, delete, or modify critical data, as well as access sensitive information. Oracle has acknowledged the vulnerability, but specific remediation details are not provided in the CVE record.

Vendor
Oracle Corporation
Product
JD Edwards EnterpriseOne Tools
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-28
Advisory published
2026-10-20
Advisory updated
2026-10-28

Who should care

Defenders responsible for Oracle JD Edwards EnterpriseOne Tools deployments should assess exposure and prioritize remediation efforts to prevent potential data breaches or modifications.

Why it matters

A high-severity vulnerability in Oracle JD Edwards EnterpriseOne Tools requires attention from defenders to prevent potential data breaches or modifications.

  • Potential unauthorized data access or modifications
  • Increased risk of data breaches
  • Need for verification of system exposure and patching

Technical summary

The vulnerability exists in the Interoperability SEC component of Oracle JD Edwards EnterpriseOne Tools, affecting versions 9.2.0.0-9.2.26.5. It allows unauthenticated attackers with network access via JDENET to potentially compromise the system, resulting in unauthorized creation, deletion, or modification access to critical data or all JD Edwards EnterpriseOne Tools accessible data, as well as unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data.

Defensive priority

Defenders should prioritize verifying exposure and applying patches or mitigations, if available, to prevent potential unauthorized data access or modifications.

Recommended defensive actions

  • Verify if the system is affected by checking the version and applying patches or mitigations if available
  • Monitor network access to JD Edwards EnterpriseOne Tools
  • Restrict access to critical data and systems
  • Perform vulnerability scanning to identify potential exposure
  • Implement additional logging and monitoring to detect potential attacks
  • Review system configurations to ensure secure setup
  • Conduct regular security audits to identify and address potential vulnerabilities

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its CVSS score, and potential impacts. Oracle's security alert page may contain additional information on affected versions and remediation.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-91288 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-91288

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-91288 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-91288

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.