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

What is CVE-2026-114401?

CVE-2026-114401 is a medium-severity vulnerability in polonel trudesk, published on 21 Oct 2026.

Official 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.

Weakness: CWE-943

Which versions are affected by CVE-2026-114401?

It affects 1 product.

Products include Trudesk Project Trudesk.

How do I fix CVE-2026-114401?

No fix has been published for CVE-2026-114401 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-114401 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-114401 exists.

Other vulnerabilities in polonel trudesk

• CVE-2022-2023 Incorrect Use of Privileged APIs in polonel/trudesk Critical 10.0
• CVE-2022-1770 Improper Privilege Management in polonel/trudesk Critical 9.9
• CVE-2022-2128 Unrestricted Upload of File with Dangerous Type in polonel/trudesk Critical 9.6
• CVE-2022-1931 Incorrect Synchronization in polonel/trudesk Critical 9.1
• CVE-2022-1947 Use of Incorrect Operator in polonel/trudesk Critical 9.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m446-w75v-4fjm.