{"id":"CVE-2026-114401","summary":"Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login","details":"Trudesk through 1.2.11 contains a regular expression injection vulnerability that allows unauthenticated attackers to enumerate usernames by submitting regex patterns to POST /api/v1/login. Attackers can send alternations or prefixes like (admin|root) or a.* and distinguish 'Invalid User' from 'Invalid Password' responses to discover valid accounts.","modified":"2026-10-22T10:31:06.552158026Z","published":"2026-10-21T12:39:54.187Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114401.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-943"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114401.json"},{"type":"PACKAGE","url":"https://github.com/polonel/trudesk"},{"type":"ARTICLE","url":"https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65"},{"type":"ARTICLE","url":"https://github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319"},{"type":"ADVISORY","url":"https://hackmd.io/@leediay/multiple-vuln-trudesk-1211"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114401"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/trudesk-through-1.2.11-username-enumeration-via-regex-injection-in-api-v1-login"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/polonel/trudesk","events":[{"introduced":"0"},{"last_affected":"29f3f1698f341e3d8fcc4f4eb5340ee43427fe63"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"0"},{"last_affected":"1.2.11"}]}]}}],"versions":["v1.2.11","v1.2.10","v1.2.9","v1.2.8","v1.2.7","v1.2.6","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.11","v1.1.10","v1.1.9","v1.1.7","v1.1.6","v1.1.5","v1.1.4","v1.1.3","v1.1.2","v1.1.1","v1.1.0","v1.0.17","v1.0.16","v1.0.15","v1.0.14","v1.0.13","v1.0.6","v1.0.4","v1.0.3","v1.0.2","v1.0.1","0.1.10-rc3","0.1.10-rc1","0.1.10-rc","0.1.9.1","0.1.9","0.1.8","0.1.7","0.1.6","0.1.5","0.1.4","0.1.3","0.1.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114401.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}