CVE-2026-93961
Dromara UJCMS UserController UserController.java usernameExist improper authorization
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 20, 2026
- Updated
- Sep 21, 2026
- Reserved
- Sep 19, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
UJCMSDromara |
|
References
- VDB-407920 | Dromara UJCMS UserController UserController.java usernameExist improper authorizationvdb-entrytechnical-description
- VDB-407920 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-93961 | CVE Analysis and Reportthird-party-advisory
- Submit #944238 | Dromara UJCMS v12.3.1 CWE-285 Improper Authorizationthird-party-advisory
- https://github.com/dromara/ujcms/issues/22issue-tracking
- https://github.com/dromara/ujcms/product
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