{"id":"CVE-2026-114401","title":"Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login","summary":"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 lik…","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","cvssSource":"cna","cwe":["CWE-943"],"vendor":"polonel","product":"trudesk","affected":["trudesk <= 1.2.11"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:39:54.187Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114401","references":[{"url":"https://hackmd.io/@leediay/multiple-vuln-trudesk-1211"},{"url":"https://github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319"},{"url":"https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65"},{"url":"https://github.com/polonel/trudesk"},{"url":"https://www.vulncheck.com/advisories/trudesk-through-1.2.11-username-enumeration-via-regex-injection-in-api-v1-login","label":"VulnCheck Advisory: Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T12:48:53.651Z","slug":"CVE-2026-114401","body":"## Overview\n\nTrudesk 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.\n\n## Affected\n\n- `trudesk <= 1.2.11`\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,"exploitation":0,"ransomware":0},"changes":[]}