CVE-2026-91491

Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Identity Manager Connector. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager Connector. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:oracle:identity_manager_connector:12.2.1.4.0:::::::*
	cpe:2.3:a:oracle:identity_manager_connector:14.1.2.1.0:::::::*

History

27 Oct 2026, 14:22

Type	Values Removed	Values Added
CPE		cpe:2.3:a:oracle:identity_manager_connector:12.2.1.4.0:::::::* cpe:2.3:a:oracle:identity_manager_connector:14.1.2.1.0:::::::*
References	~~() https://www.oracle.com/security-alerts/cpuoct2026.html -~~	() https://www.oracle.com/security-alerts/cpuoct2026.html - Vendor Advisory
First Time		Oracle Oracle identity Manager Connector

21 Oct 2026, 11:17

Type	Values Removed	Values Added
CWE		CWE-287 CWE-306

20 Oct 2026, 22:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 22:20

Updated : 2026-10-27 14:22

NVD link : CVE-2026-91491

Mitre link : CVE-2026-91491

CVE.ORG link : CVE-2026-91491

JSON object : View

Products Affected

oracle

identity_manager_connector

CWE

CWE-287

Improper Authentication

CWE-306

Missing Authentication for Critical Function

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