# CVE-2026-83386: Oracle E-Business Suite HRMS US unauthorized data access

Source: https://junglewise.ai/threats/cve-2026-83386-vulnerability-in-the-oracle-hrms-us-product-of-oracle-e-business  
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-2026-83386 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Oracle HRMS (US) is a human resources management system component of Oracle E-Business Suite that stores and manages employee data. A vulnerability in the Internal Operations component allows authenticated attackers to access sensitive employee data without authorization. Exploitation requires network access and low-privilege credentials but could expose all HR records in the system.

Technologies: [Oracle E-Business Suite HRMS (US)](https://junglewise.ai/threats/technologies/e-business-suite-hrms-us). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83386 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83386 being exploited in the wild.

**How severe is CVE-2026-83386?** Medium severity, with a CVSS score of 6.5, published 20 October 2026.

**Which products and versions are affected?** Oracle E-Business Suite HRMS (US) 12.2.3-12.2.15.

**Is there a fix for CVE-2026-83386?** 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-2026-83386 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-83386?** Check whether you run Oracle E-Business Suite HRMS (US) 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

A vulnerability in the Oracle E-Business Suite HRMS (US) Internal Operations component allows low-privileged attackers with HTTP network access to gain unauthorized access to critical data. The flaw requires prior authentication but not user interaction, and is easily exploitable with a CVSS 3.1 score of 6.5. Successful exploitation results in confidentiality impact through complete unauthorized access to HRMS-accessible data.

## Affected products

- Oracle E-Business Suite HRMS (US) 12.2.3-12.2.15

## Timeline

- 2026-10-20: disclosed

## References

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

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