Is CVE-2026-91321 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-91321 being exploited in the wild.

How severe is CVE-2026-91321?

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

Which products and versions are affected?

Oracle E-Business Suite iProcurement 12.2.3 through 12.2.15.

Is there a fix for CVE-2026-91321?

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-2026-91321 attacked?

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

Am I affected by CVE-2026-91321?

Check whether you run Oracle E-Business Suite iProcurement 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-2026-91321: Oracle E-Business Suite iProcurement authentication bypass in Requisition Management

CVE-2026-91321 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle E-Business Suite's iProcurement module is a procurement and requisition management system used to manage purchase requests and supply chain operations. A low-privileged attacker with network access can exploit a difficult-to-exploit vulnerability to gain complete control of the iProcurement system, potentially exposing or modifying procurement data and disrupting purchasing operations. The vulnerability allows takeover of the affected component with high impact to confidentiality, integrity, and availability.

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

Quick answers

Is CVE-2026-91321 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-91321 being exploited in the wild.
How severe is CVE-2026-91321?: High severity, with a CVSS score of 7.5, published 20 October 2026.
Which products and versions are affected?: Oracle E-Business Suite iProcurement 12.2.3 through 12.2.15.
Is there a fix for CVE-2026-91321?: 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-2026-91321 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-91321?: Check whether you run Oracle E-Business Suite iProcurement 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 in iProcurement's Requisition Management component allows a low-privileged attacker with network access via HTTP to compromise the system, despite difficult exploitation requiring specific preconditions. Successful exploitation grants full takeover of iProcurement, affecting confidentiality, integrity, and availability. The attack vector is network-based and requires low privilege level but no user interaction.

Affected products

Oracle E-Business Suite iProcurement 12.2.3 through 12.2.15

Timeline

2026-10-20: disclosed

References

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

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