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Critical Security Flaw Found in Oracle E-Business Suite Could Let Hackers Take Control

A serious security weakness has been found in Oracle's Application Object Library, part of the Oracle E-Business Suite software used by many organisations. This flaw could allow attackers to take full control of the system without needing to log in, posing a major risk to data and operations.

28 October 2026

Reference: CVE-2026-101767

1. What is being reported?

The report highlights a critical vulnerability in Oracle's Application Object Library component of their E-Business Suite software versions 12.2.3 through 12.2.15. Attackers can exploit this flaw remotely over the internet without any authentication, potentially taking over the system completely.

2. What this means in plain English

If your organisation uses Oracle E-Business Suite within the affected versions, hackers could gain full access to your business applications and data. This could lead to data theft, disruption of services, or complete loss of control over your software.

3. Could this affect a small business?

Small businesses or charities using the affected Oracle E-Business Suite versions could be at risk, especially if their systems are accessible via the internet. Organisations not using this software or using versions outside the affected range are unlikely to be affected.

4. What to do now

  • Check if your organisation uses Oracle E-Business Suite and identify the version number.
  • Contact your IT provider or software supplier immediately to confirm if you are affected and to apply any available security updates or patches.
  • Restrict internet access to Oracle E-Business Suite systems until the vulnerability is addressed.
  • Monitor your systems for any unusual activity and ensure regular backups are in place.

5. Ask your IT provider

Can you confirm if our Oracle E-Business Suite installation is affected by CVE-2026-101767, and what steps are being taken to protect us from this vulnerability?

6. Bottom line

If you use Oracle E-Business Suite, act quickly to check and secure your systems against this critical vulnerability.

Information based on CISA KEV, NVD and reputable security reporting.

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