CVE-2026-114401
CVE-2026-114401 · Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · EPSS 0.4%
- Published
- Updated
Affected products and versions
trudesk
- Versions
- ≥ 0, ≤ 1.2.11: Affected (semver)
No fix published
Original sources
- https://hackmd.io/@leediay/multiple-vuln-trudesk-1211
- https://github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319
- https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65
- https://github.com/polonel/trudesk
- https://www.vulncheck.com/advisories/trudesk-through-1.2.11-username-enumeration-via-regex-injection-in-api-v1-login
- https://nvd.nist.gov/vuln/detail/CVE-2026-114401