CVE-2026-34305: Infoleak

Published Apr 21, 2026
·
Updated

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).

Affected Software

5 affected components
Oracle Oracle WebLogic Server=12.2.1.4.0, =14.1.1.0.0, =14.1.2.0.0, =15.1.1.0.0
Oracle WebLogic Server=12.2.1.4.0
Oracle WebLogic Server=14.1.1.0.0
Oracle WebLogic Server=14.1.2.0.0
Oracle WebLogic Server=15.1.1.0.0

Event History

Apr 21, 2026
CVE Published
via MITRE·08:35 PM
Data Sourced
via MITRE·08:35 PM
DescriptionSeverity
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-34305?

CVE-2026-34305 is considered to be easily exploitable and poses a significant risk to affected Oracle WebLogic Server versions.

2

How do I fix CVE-2026-34305?

To fix CVE-2026-34305, update your Oracle WebLogic Server to the latest patched version provided by Oracle.

3

What affected versions are listed for CVE-2026-34305?

The affected versions for CVE-2026-34305 include Oracle WebLogic Server versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.

4

Who can exploit CVE-2026-34305?

CVE-2026-34305 can be exploited by an unauthenticated attacker with network access via HTTP.

5

What component of Oracle Fusion Middleware does CVE-2026-34305 involve?

CVE-2026-34305 involves the Web Services component of the Oracle WebLogic Server product.

Contact

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