CVE-2026-114401
Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 21, 2026
- Updated
- Oct 21, 2026
- Reserved
- Oct 21, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-943 Improper Neutralization of Special Elements in Data Query Logic
Affected Products
| Product | Versions |
|---|---|
trudeskpolonel |
|
References
- https://hackmd.io/@leediay/multiple-vuln-trudesk-1211third-party-advisory
- https://github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319technical-description
- https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65technical-description
- https://github.com/polonel/trudeskproduct
- VulnCheck Advisory: Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/loginthird-party-advisory
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