# CVE-2026-83398: Oracle Data Integrator unauthorized data access in Data Transforms

Source: https://junglewise.ai/threats/cve-2026-83398-vulnerability-in-the-oracle-data-integrator-product-of-oracle  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-83398 · Severity: high · CVSS 8.2 · Published 2026-10-20

Oracle Data Integrator, a data management tool used to integrate and transform business data, contains a network-accessible vulnerability that allows unauthenticated attackers to read, modify, or delete sensitive data. An attacker can exploit this without credentials or user interaction to gain complete access to integrated data or perform unauthorized changes.

Technologies: [Oracle Data Integrator](https://junglewise.ai/threats/technologies/data-integrator). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83398 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83398 being exploited in the wild.

**How severe is CVE-2026-83398?** High severity, with a CVSS score of 8.2, published 20 October 2026.

**Which products and versions are affected?** Oracle Data Integrator 12.2.1.4.0, 14.1.2.0.0.

**Is there a fix for CVE-2026-83398?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-83398 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-83398?** Check whether you run Oracle Data Integrator at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is in the Data Transforms component of Oracle Data Integrator and is easily exploitable over the network via HTTP by an unauthenticated attacker. Successful exploitation results in unauthorized read access to all accessible data and limited write access (update, insert, delete) to some data. A fix exists in patched versions released as of October 2026.

## Affected products

- Oracle Data Integrator 12.2.1.4.0, 14.1.2.0.0

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

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- [Oracle Data Integrator compromise in Rest Service](https://junglewise.ai/threats/cve-2026-60999-oracle-data-integrator-compromise-in-rest-service)