Oracle WebLogic Server 12.2.1.4.0/14.1.1.0.0/14.1.2.0.0/15.1.1.0.0 Core privileges management

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 classified as very critical. This vulnerability affects unknown code of the component Core. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2026-91502. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as very 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. This affects an unknown code block of the component Core. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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 TLS to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data as well as unauthorized read access to a subset of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).

The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2026-91502 since 09/15/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/21/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion