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CVE-2026-93961

Dromara UJCMS UserController UserController.java usernameExist improper authorization

CVSS 4.0 6.9 MEDIUMCVSS 3.1 5.3 MEDIUMCVSS 3.0 5.3 MEDIUMCVSS 2.0 5.0 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-93961

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93961

Published

UJCMS

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Dromara",
                    "product": "UJCMS",
                    "versions": [
                        {
                            "version": "12.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "12.3.1",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ujcms:ujcms:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "UserController"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON