Oracle WebLogic Server 12.2.1.4.0/14.1.1.0.0/14.1.2.0.0/15.1.1.0.0 improper authorization

Summaryinfo

A vulnerability was found in Oracle WebLogic Server 12.2.1.4.0/14.1.1.0.0/14.1.2.0.0/15.1.1.0.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation results in improper authorization. This vulnerability is cataloged as CVE-2026-34305. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle WebLogic Server 12.2.1.4.0/14.1.1.0.0/14.1.2.0.0/15.1.1.0.0. Affected is some unknown processing. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. CVE summarizes:

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).

The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2026-34305 since 03/26/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/22/2026). The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Application Server Software

Vendor

• Oracle

Name

• WebLogic Server

Version

• 12.2.1.4.0
• 14.1.1.0.0
• 14.1.2.0.0
• 15.1.1.0.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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