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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Dromara UJCMS affected
Version Status Constraints
12.3.0 affected —
12.3.1 affected —

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Project Subscriptions

Vendors Products
Ujcms Subscribe
Ujcms Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Sun, 20 Sep 2026 05:00:00 +0000

Type Values Removed Values Added
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.
Title Dromara UJCMS UserController UserController.java usernameExist improper authorization
First Time appeared Ujcms
Ujcms ujcms
Weaknesses CWE-266
CWE-285
CPEs cpe:2.3:a:ujcms:ujcms:*:*:*:*:*:*:*:*
Vendors & Products Ujcms
Ujcms ujcms
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': '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'}

cvssV3_1

{'score': 5.3, 'vector': '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'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-20T04:45:09.620Z

Reserved: 2026-09-19T09:19:19.922Z

Link: CVE-2026-93961

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-20T05:16:28.093

Modified: 2026-09-20T05:16:28.093

Link: CVE-2026-93961

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses