Vulnerability in Polonel Trudesk
CVE-2026-114401
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@leediay/multiple-vuln-trudesk-1211 (third-party-advisory)
- github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js (technical-description)
- github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js (technical-description)
- github.com/polonel/trudesk (product)
- www.vulncheck.com/advisories/trudesk-through-1.2.11-username-enumeration-via-re… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114401?
- CVE-2026-114401 is a medium-severity vulnerability in Polonel Trudesk, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 5.3/10. Published 2026-10-21.
- How severe is CVE-2026-114401?
- Medium severity. CVSS v3 base score is 5.3 out of 10.