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

Quick assessment

Affected
polonel trudesk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Trudesk 1.2.11 及更早版本存在正则表达式注入漏洞，允许未认证的攻击者通过向 POST /api/v1/login 接口提交正则表达式模式来枚举用户名。攻击者可发送如 (admin

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-114401

Vulnerability Information
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Vulnerability Title
Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
polonel trudesk 0 ~ 1.2.11 -

II. Public POCs for CVE-2026-114401

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III. Intelligence Information for CVE-2026-114401

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Patches & Fixes for CVE-2026-114401 (1)

Proof of Concept for CVE-2026-114401 (1)

Vendor Pages for CVE-2026-114401 (2)

Same Patch Batch · polonel · 2026-10-21 · 11 CVEs total

CVE-2026-114397 7.4 HIGH Trudesk through 1.2.11 Missing Authentication on Debug Routes
CVE-2026-114396 7.1 HIGH Trudesk through 1.2.11 MongoDB $where Injection via tickets search API
CVE-2026-114399 6.5 MEDIUM Trudesk through 1.2.11 Path Traversal via Backup Delete and Restore API
CVE-2026-114400 5.9 MEDIUM Trudesk through 1.2.11 Missing Authentication for Ticket Attachments via /uploads
CVE-2026-114398 5.4 MEDIUM Trudesk through 1.2.11 Unrestricted File Upload via /settings/general/uploadlogo
CVE-2026-114402 4.3 MEDIUM Trudesk through 1.2.11 Path Traversal and Authorization Bypass via Profile Image Upload
CVE-2026-114393 4.3 MEDIUM Trudesk through 1.2.11 Authorization Bypass via Ticket Update API Endpoints
CVE-2026-114392 4.3 MEDIUM Trudesk through 1.2.11 Authorization Bypass via GET /api/v1/tickets/:uid
CVE-2026-114394 4.3 MEDIUM Trudesk through 1.2.11 Authorization Bypass via Ticket Comment and Create APIs
CVE-2026-114395 4.3 MEDIUM Trudesk through 1.2.11 Authorization Bypass via /api/v1/messages/send

IV. Related Vulnerabilities

Same product: trudesk
Same vendor: polonel
Same weakness: CWE-943

V. Comments for CVE-2026-114401

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