CVE-2026-93961

MEDIUM 5.3

Dromara UJCMS UserController UserController.java usernameExist improper authorization

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-285 CWE-266
Vendor	dromara
Product	ujcms
Published	Sep 20, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Dromara / UJCMS

12.3.0 12.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/407920 vuldb.com: https://vuldb.com/vuln/407920/cti vuldb.com: https://vuldb.com/cve/CVE-2026-93961 vuldb.com: https://vuldb.com/submit/944238 github.com: https://github.com/dromara/ujcms/issues/22 github.com: https://github.com/dromara/ujcms/

Credits

🔍 mjh_123 (VulDB User) VulDB CNA Team