# CVE-2026-101566: Oracle Application Object Library privilege escalation in E-Business Suite

Source: https://junglewise.ai/threats/cve-2026-101566-vulnerability-in-the-oracle-application-object-library-product  
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-2026-101566 · Severity: high · CVSS 7.8 · Published 2026-10-20

Oracle E-Business Suite's Application Object Library component contains a privilege escalation vulnerability affecting supported versions 12.2.3 through 12.2.15. A low-privileged user with local access to the server can exploit this flaw to gain full control over the Application Object Library, potentially compromising the confidentiality, integrity, and availability of business-critical data and processes.

Technologies: [Oracle E-Business Suite Application Object Library](https://junglewise.ai/threats/technologies/e-business-suite-application-object-library). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-101566 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101566 being exploited in the wild.

**How severe is CVE-2026-101566?** High severity, with a CVSS score of 7.8, published 20 October 2026.

**Which products and versions are affected?** Oracle E-Business Suite Application Object Library 12.2.3-12.2.15.

**Is there a fix for CVE-2026-101566?** 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-2026-101566 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-101566?** Check whether you run Oracle E-Business Suite Application Object Library 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 exists in the DB Privileges component of Oracle Application Object Library and allows local privilege escalation with low user privileges. The attack requires logon access to the infrastructure and does not require user interaction. Successful exploitation results in complete compromise of the vulnerable component with high impact across confidentiality, integrity, and availability.

## Affected products

- Oracle E-Business Suite Application Object Library 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)

## Related threats

- [Oracle Application Object Library remote code execution in E-Business Suite](https://junglewise.ai/threats/cve-2026-101767-vulnerability-in-the-oracle-application-object-library-product)
- [Oracle Application Object Library privilege escalation in E-Business Suite](https://junglewise.ai/threats/cve-2026-101757-vulnerability-in-the-oracle-application-object-library-product)
- [Oracle E-Business Suite Application Object Library CSRF in Core](https://junglewise.ai/threats/cve-2026-101696-vulnerability-in-the-oracle-application-object-library-product)
- [Oracle Application Object Library privilege escalation in Flexfields](https://junglewise.ai/threats/cve-2026-101552-vulnerability-in-the-oracle-application-object-library-product)
- [Oracle Application Object Library privilege escalation](https://junglewise.ai/threats/cve-2026-83178-oracle-application-object-library-privilege-escalation)