CVE-2026-91511

Vulnerability in the Oracle Purchasing product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Purchasing. While the vulnerability is in Oracle Purchasing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Purchasing accessible data as well as unauthorized update, insert or delete access to some of Oracle Purchasing accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N).

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

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

Configurations

No configuration.

History

26 Oct 2026, 20:19

Type	Values Removed	Values Added
CWE		CWE-284

20 Oct 2026, 22:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 22:20

Updated : 2026-10-26 20:19

NVD link : CVE-2026-91511

Mitre link : CVE-2026-91511

CVE.ORG link : CVE-2026-91511

JSON object : View

Products Affected

No product.

CWE

CWE-284

Improper Access Control

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