{"id":"CVE-2026-93961","title":"A security flaw has been discovered in Dromara UJCMS up to 12.3.1","summary":"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. Per…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-266","CWE-285"],"vendor":"Dromara","product":"UJCMS","affected":["UJCMS 12.3.0","UJCMS 12.3.1"],"published":"2026-09-20","updated":"2026-09-21","sourceUpdated":"2026-09-21T15:17:36.253","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93961","references":[{"url":"https://github.com/dromara/ujcms/","label":"cna@vuldb.com"},{"url":"https://github.com/dromara/ujcms/issues/22","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-93961","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/944238","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/407920","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/407920/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-21T15:06:33.588379Z"},"epss":0.0042,"epssPercentile":0.35808,"ingestedAt":"2026-09-20T05:14:31.079Z","slug":"CVE-2026-93961","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}