CVE-2026-34305

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cpuapr2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:::::::*
	cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:::::::*
	cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:::::::*
	cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:::::::*

History

24 Apr 2026, 14:27

Type	Values Removed	Values Added
CPE		cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:::::::* cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:::::::* cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:::::::* cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:::::::*
References	~~() https://www.oracle.com/security-alerts/cpuapr2026.html -~~	() https://www.oracle.com/security-alerts/cpuapr2026.html - Vendor Advisory
First Time		Oracle Oracle weblogic Server

22 Apr 2026, 14:16

Type	Values Removed	Values Added
CWE		CWE-200

21 Apr 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-21 21:16

Updated : 2026-06-17 10:38

NVD link : CVE-2026-34305

Mitre link : CVE-2026-34305

CVE.ORG link : CVE-2026-34305

JSON object : View

Products Affected

oracle

weblogic_server

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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