CVE-2026-93961Dromara UJCMS UserController UserController.java usernameExist improper authorization

Descripción

A security flaw has been discovered in Dromara UJCMS up to 12.3.1. The affected element is the function usernameExist of the file ujcms-cms/src/main/java/com/ujcms/cms/core/web/api/UserController.java of the component UserController. Performing a manipulation of the argument Username results in improper authorization. It is possible to initiate the attack remotely. The project was informed of the problem early through an issue report but has not responded yet.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• VDB-407920 | Dromara UJCMS UserController UserController.java usernameExist improper authorization vdb-entrytechnical-description
• VDB-407920 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
• CVE-2026-93961 | CVE Analysis and Report third-party-advisory
• Submit #944238 | Dromara UJCMS v12.3.1 CWE-285 Improper Authorization third-party-advisory
• https://github.com/dromara/ujcms/issues/22 issue-tracking
• https://github.com/dromara/ujcms/ product