CVE-2026-83397 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle Data Integrator instances, particularly those using versions 12.2.1.4.0 and 14.1.2.0.0, should assess exposure and prioritize remediation. Defenders should also verify inventory for Oracle Data Integrator versions 12.2.1.4.0 and 14.1.2.0.0 and review and apply Oracle's security patches.

Why it matters

CVE-2026-83397 is a critical vulnerability in Oracle Data Integrator that allows unauthenticated attackers to compromise the system. Defenders should assess exposure, prioritize remediation, and verify inventory for affected versions.

• Potential system compromise and takeover
• Unauthenticated access via HTTP
• High CVSS score of 9.8 indicating critical severity

Technical summary

The vulnerability in Oracle Data Integrator allows unauthenticated attackers with network access via HTTP to compromise the system, potentially leading to takeover. Affected versions are 12.2.1.4.0 and 14.1.2.0.0. The vulnerability has a high CVSS score of 9.8, indicating critical severity. The vulnerability affects the Console / Repository Explorer component of Oracle Data Integrator. Successful attacks can result in takeover of Oracle Data Integrator. Defenders should assess exposure, prioritize remediation, and verify inventory for affected versions.

Defensive priority

High

Recommended defensive actions

• Assess exposure of Oracle Data Integrator instances, particularly versions 12.2.1.4.0 and 14.1.2.0.0
• Prioritize remediation of affected systems
• Verify inventory for Oracle Data Integrator versions 12.2.1.4.0 and 14.1.2.0.0
• Review and apply Oracle's security patches
• 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 Oracle advisory provide details on the vulnerability, affected versions, and potential impact. The vulnerability allows unauthenticated attackers with network access via HTTP to compromise Oracle Data Integrator. The CVE record was published on 2026-10-20T21:23:45.465Z and has not been modified since then. The Oracle advisory provides guidance on affected versions 12.2.1.4.0 and 14.1.2.0.0.

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.