Medium 5.3Published Oct 21, 2026

CVE-2026-114401Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login

Updated under an hour ago (Oct 28, 2026, 8:23 AM ET)

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It affects polonel trudesk. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for polonel trudesk

Exploited in the last 30 days

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: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-943
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 21, 2026

Affected products

Affected products

polonel trudesk polonel:trudesk (from the name)	through 1.2.11	CNA record

References

References

https://hackmd.io/@leediay/multiple-vuln-trudesk-1211	third-party-advisory
https://github.com/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319	technical-description
https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65	technical-description
https://github.com/polonel/trudesk	product
https://www.vulncheck.com/advisories/trudesk-through-1.2.11-username-enumeration-via-regex-injection-in-api-v1-login	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.