CVE-2026-91458

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core). The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Outside In Technology executes to compromise Oracle Outside In Technology. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Outside In Technology. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

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)

cpe:2.3:a:oracle:outside_in_technology:8.5.8:*:*:*:*:*:*:*

History

04 Nov 2026, 14:02

Type	Values Removed	Values Added
First Time		Oracle Oracle outside In Technology
References	~~() https://www.oracle.com/security-alerts/cpuoct2026.html -~~	() https://www.oracle.com/security-alerts/cpuoct2026.html - Vendor Advisory
CPE		cpe:2.3:a:oracle:outside_in_technology:8.5.8:::::::*

24 Oct 2026, 04:18

Type	Values Removed	Values Added
CWE		CWE-20

20 Oct 2026, 22:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 22:20

Updated : 2026-11-04 14:02

NVD link : CVE-2026-91458

Mitre link : CVE-2026-91458

CVE.ORG link : CVE-2026-91458

JSON object : View

Products Affected

oracle

outside_in_technology

CWE

CWE-20

Improper Input Validation

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