Is CVE-2026-83371 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-83371 being exploited in the wild.

How severe is CVE-2026-83371?

Medium severity, with a CVSS score of 5.4, published 20 October 2026.

Which products and versions are affected?

Oracle E-Business Suite HRMS (UK) 12.2.3 to 12.2.15.

Is there a fix for CVE-2026-83371?

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-2026-83371 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-83371?

Check whether you run Oracle E-Business Suite HRMS (UK) 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.

CVE-2026-83371: Oracle E-Business Suite HRMS (UK) authorization bypass in Internal Operations

CVE-2026-83371 · Severity: medium · CVSS 5.4 · Published 2026-10-20

Oracle HRMS (UK) is a human resources management system component within Oracle E-Business Suite used to manage employee data and HR operations. A vulnerability allows a low-privileged attacker with network access to read, modify, or delete sensitive HR data by tricking users into performing actions. This could expose confidential employee information and allow unauthorized changes to HR records with downstream impact to connected business systems.

Technologies: Oracle E-Business Suite HRMS (UK). Vendors: Oracle.

Quick answers

Is CVE-2026-83371 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-83371 being exploited in the wild.
How severe is CVE-2026-83371?: Medium severity, with a CVSS score of 5.4, published 20 October 2026.
Which products and versions are affected?: Oracle E-Business Suite HRMS (UK) 12.2.3 to 12.2.15.
Is there a fix for CVE-2026-83371?: 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-2026-83371 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-83371?: Check whether you run Oracle E-Business Suite HRMS (UK) 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 an easily exploitable authorization or input validation flaw in the Internal Operations component of Oracle HRMS (UK) that requires a low-privileged attacker with network access and user interaction (UI interaction from a victim). Successful exploitation grants unauthorized read and write access to HR data, with scope change indicating potential impact to downstream systems. No public details on the specific mechanism are currently available.

Affected products

Oracle E-Business Suite HRMS (UK) 12.2.3 to 12.2.15

Timeline

2026-10-20: disclosed

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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