# CVE-2026-101557: Oracle E-Business Suite Purchasing privilege escalation

Source: https://junglewise.ai/threats/cve-2026-101557-vulnerability-in-the-oracle-purchasing-product-of-oracle-e  
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-2026-101557 · Severity: high · CVSS 8.8 · Published 2026-10-20

Oracle E-Business Suite Purchasing is an enterprise procurement module used by organizations to manage purchase orders and supplier relationships. A flaw in the Internal Operations component allows low-privileged users to gain full administrative control over the Purchasing module through the network, potentially compromising procurement operations, financial data, and supplier information. An attacker could access, modify, or delete purchase orders and financial records without authorization.

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

## Quick answers

**Is CVE-2026-101557 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101557 being exploited in the wild.

**How severe is CVE-2026-101557?** High severity, with a CVSS score of 8.8, published 20 October 2026.

**Which products and versions are affected?** Oracle E-Business Suite Purchasing 12.2.3–12.2.15.

**Is there a fix for CVE-2026-101557?** 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-2026-101557 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-101557?** Check whether you run Oracle E-Business Suite Purchasing 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 network-accessible privilege escalation vulnerability in Oracle E-Business Suite Purchasing (versions 12.2.3–12.2.15) allows low-privileged HTTP users to compromise the module without authentication bypass required. The attack is easily exploitable with no user interaction, affecting confidentiality, integrity, and availability of the system. A fix version is not stated in the advisory.

## Affected products

- Oracle E-Business Suite Purchasing 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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- [Oracle Purchasing unauthorized data access and modification in E-Business Suite](https://junglewise.ai/threats/cve-2026-87168-oracle-purchasing-unauthorized-data-access-and-modification-in-e)