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.
CVE-2026-114401
CVSS base score
5.3 (v3.1)
Severity
MEDIUM
Attack vector
Network
Weakness
CWE-943
Last modified
October 29, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
trudesk project trudesk
References
- github.com Product
- github.com Patch
- github.com Patch
- hackmd.io Exploit, Third Party Advisory
- www.vulncheck.com Third Party Advisory
- hackmd.io Exploit, Third Party Advisory