CVE-2026-40867 PUBLISHED

Horilla: Unauthorized Helpdesk Attachment Access via Attachment ID Manipulation

Assigner: GitHub_M
Reserved: 15.04.2026 Published: 21.04.2026 Updated: 21.04.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	horilla-opensource
Product	horilla
Versions	Version 1.5.0 is affected

References

https://github.com/horilla/horilla-hr/security/advisories/GHSA-j6qp-j853-qrff

Problem Types

CWE-284: Improper Access Control CWE
CWE-639: Authorization Bypass Through User-Controlled Key CWE