---
id: "CVE-2026-83398"
kind: "vulnerability"
aliases: ["CVE-2026-83398"]
title: "Oracle Data Integrator: unauthenticated HTTP flaw exposes data and allows changes"
severity: "high"
cvss: 8.2
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["java", "oracle-data-integrator", "oracle-fusion-middleware", "self-hosted", "vendor"]
not_affected_if: ["unaffected-version"]
published_at: "2026-10-20T22:19:56+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T03:04:05+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83398", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle Data Integrator: unauthenticated HTTP flaw exposes data and allows changes

Oracle Data Integrator's Data Transforms component has a flaw that lets an unauthenticated attacker over the network reach its data via HTTP. Successful attacks can read critical data and modify, insert or delete some of it.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Oracle Data Integrator version against `12.2.1.4.0` and `14.1.2.0.0`, the affected releases named in the advisory
- Check whether the Data Transforms component is exposed over HTTP to untrusted networks: unknown

## Fix

- Apply the Oracle Critical Patch Update fix for Oracle Data Integrator; the specific patch identifier is unknown from the sources
- Restrict network access to the Oracle Data Integrator HTTP interface until patched

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-83398

## From the sources

Vulnerability in the Oracle Data Integrator product of Oracle Fusion Middleware (component: Data Transforms).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Data Integrator.  Successful attacks of this vulnerability can result in  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. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_