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CVE-2026-114398— Trudesk through 1.2.11 Unrestricted File Upload via /settings/general/uploadlogo

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 及更早版本存在不受限制的文件上传漏洞，允许任何已认证用户通过 、 和 接口，将 HTML 或 SVG 文件上传至公开的 Web 根目录。攻击者可伪造图像的 MIME 类型，上传包含恶意脚本的文件；这些文件将从 目录以未认证方式提供，从而引发存储型跨站脚本（Stored XSS）攻击，并可能导致实例品牌标识被篡改。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-114398

Vulnerability Information
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Vulnerability Title
Trudesk through 1.2.11 Unrestricted File Upload via /settings/general/uploadlogo
Source: CVE Program / CVE List V5
Vulnerability Description
Trudesk through 1.2.11 contains an unrestricted file upload vulnerability that allows any authenticated user to place HTML or SVG files in the public webroot via the uploadlogo, uploadpagelogo and uploadfavicon endpoints. Attackers can spoof an image MIME type to upload script-bearing files served unauthenticated from /assets/, enabling stored cross-site scripting and replacement of instance branding.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
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-2026-114398

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III. Intelligence Information for CVE-2026-114398

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Vendor Pages for CVE-2026-114398 (1)

Other References for CVE-2026-114398 (4)

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-2026-114401 5.3 MEDIUM Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login
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-434

V. Comments for CVE-2026-114398

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