CVE-2026-83398 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle Data Integrator deployments, especially those using versions 12.2.1.4.0 and 14.1.2.0.0, should assess their exposure and prioritize patching or mitigating this vulnerability.

Why it matters

CVE-2026-83398 is a high-severity vulnerability in Oracle Data Integrator that allows unauthenticated attackers with network access to compromise the system, potentially leading to unauthorized data access or modifications. Defenders responsible for Oracle Data Integrator deployments should assess their exposure and prioritize patching or mitigating this vulnerability.

• Potential unauthorized access to critical data
• Potential unauthorized update, insert or delete access to some data
• Requires verification of exposure in Oracle Data Integrator deployments
• Prioritization of patching or mitigation efforts

Technical summary

CVE-2026-83398 is a vulnerability in Oracle Data Integrator, specifically in the Data Transforms component. It allows unauthenticated attackers with network access via HTTP to compromise the system, potentially leading to unauthorized access to critical data or complete access to all Oracle Data Integrator accessible data, as well as unauthorized update, insert or delete access to some of Oracle Data Integrator accessible data. The CVSS 3.1 Base Score is 8.2, indicating a high severity.

Defensive priority

Defenders should prioritize verifying exposure in Oracle Data Integrator deployments, especially those using versions 12.2.1.4.0 and 14.1.2.0.0, and assess network access controls.

Recommended defensive actions

• Verify Oracle Data Integrator version and apply patches if available
• Restrict network access to Oracle Data Integrator
• Monitor Oracle Data Integrator for suspicious activity
• 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
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in Oracle Data Integrator, allowing unauthenticated attackers with network access via HTTP to compromise the system. However, specific details about exploitation are limited.

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.