CVE-2026-40866— Horilla: Unauthorized Document Overwrite via File Upload Endpoint
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I. Basic Information for CVE-2026-40866
Vulnerability Information
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Vulnerability Title
Horilla: Unauthorized Document Overwrite via File Upload Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, an insecure direct object reference in the employee document upload endpoint allows any authenticated user to overwrite or replace or corrupt another employee’s document by changing the document ID in the upload request. This enables unauthorized modification of HR records.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Horilla 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Horilla是Horilla公司的一款免费的开源人力资源软件。 Horilla 1.5.0版本存在安全漏洞，该漏洞源于员工文档上传端点存在不安全的直接对象引用，可能导致任何经过身份验证的用户覆盖、替换或损坏其他员工的文档。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| horilla-opensource | horilla | 1.5.0 | - |
II. Public POCs for CVE-2026-40866
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · horilla-opensource · 2026-04-21 · 3 CVEs total
| CVE-2026-40865 | Horilla: Insecure Direct Object Reference at `/employee/view-file/<int:id> | |
| CVE-2026-40867 | Horilla: Unauthorized Helpdesk Attachment Access via Attachment ID Manipulation |
IV. Related Vulnerabilities
Same product: horilla
- CVE-2026-40867
Horilla: Unauthorized Helpdesk Attachment Access via Attachm - CVE-2026-40865
Horilla: Insecure Direct Object Reference at `/employee/view - CVE-2026-3050
horilla-opensource horilla Leads global.js cross site script - CVE-2026-3049
horilla-opensource horilla Query Parameter global_search.py - CVE-2026-24039
Horilla's Improper Access Control Allows Employees to Auto-A
Same vendor: horilla-opensource
- CVE-2026-40867
Horilla: Unauthorized Helpdesk Attachment Access via Attachm - CVE-2026-40865
Horilla: Insecure Direct Object Reference at `/employee/view - CVE-2026-3050
horilla-opensource horilla Leads global.js cross site script - CVE-2026-3049
horilla-opensource horilla Query Parameter global_search.py - CVE-2026-24039
Horilla's Improper Access Control Allows Employees to Auto-A
Same weakness: CWE-284
- CVE-2026-8233
Dotouch XproUPF access control - CVE-2026-42569
phpvms: /importer authorization bypass causing full database - CVE-2026-42205
Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2026-40866
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