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CVE-2026-40867— Horilla: Unauthorized Helpdesk Attachment Access via Attachment ID Manipulation

Quick assessment

Affected
horilla-opensource horilla
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.

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，该漏洞源于帮助台附件查看器存在访问控制缺陷，可能导致任何经过身份验证的用户查看其他工单的附件。

AI Predicted 6.5 Difficulty: Trivial EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-40867

Vulnerability Information
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Vulnerability Title
Horilla: Unauthorized Helpdesk Attachment Access via Attachment ID Manipulation
Source: CVE Program / CVE List V5
Vulnerability Description
Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, a broken access control vulnerability in the helpdesk attachment viewer allows any authenticated user to view attachments from other tickets by changing the attachment ID. This can expose sensitive support files and internal documents across unrelated users or teams.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
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，该漏洞源于帮助台附件查看器存在访问控制缺陷，可能导致任何经过身份验证的用户查看其他工单的附件。
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-2026-40867

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III. Intelligence Information for CVE-2026-40867

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Vendor Advisories for CVE-2026-40867 (1)

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-2026-40866 Horilla: Unauthorized Document Overwrite via File Upload Endpoint

IV. Related Vulnerabilities

Same product: horilla
Same vendor: horilla-opensource
Same weakness: CWE-284

V. Comments for CVE-2026-40867

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