Is CVE-2026-101556 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-101556 being exploited in the wild.

How severe is CVE-2026-101556?

High severity, with a CVSS score of 7.5, published 20 October 2026.

Which products and versions are affected?

Oracle E-Business Suite Payroll 12.2.3 to 12.2.15.

Is there a fix for CVE-2026-101556?

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-2026-101556 attacked?

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

Am I affected by CVE-2026-101556?

Check whether you run Oracle E-Business Suite Payroll 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-2026-101556: Oracle Payroll authentication bypass in E-Business Suite

CVE-2026-101556 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle Payroll is a critical financial management component of Oracle E-Business Suite used to process employee compensation and benefits. A network-accessible vulnerability in the Internal Operations component allows a low-privileged attacker to gain complete control of the Payroll system, potentially leading to unauthorized access to payroll data, manipulation of employee compensation, or disruption of payroll processing. Exploitation requires network access and attacker authentication but is difficult to exploit due to complexity constraints.

Technologies: Oracle E-Business Suite Payroll. Vendors: Oracle.

Quick answers

Is CVE-2026-101556 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-101556 being exploited in the wild.
How severe is CVE-2026-101556?: High severity, with a CVSS score of 7.5, published 20 October 2026.
Which products and versions are affected?: Oracle E-Business Suite Payroll 12.2.3 to 12.2.15.
Is there a fix for CVE-2026-101556?: 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-2026-101556 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-101556?: Check whether you run Oracle E-Business Suite Payroll 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 difficult-to-exploit vulnerability exists in the Oracle Payroll Internal Operations component of E-Business Suite versions 12.2.3 through 12.2.15. The flaw allows a low-privileged, authenticated attacker with network access via HTTP to compromise the entire Payroll system. Successful exploitation results in full takeover of the Payroll application and its data.

Affected products

Oracle E-Business Suite Payroll 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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