Auth bypass in Horilla-Opensource Horilla

CVE-2026-40867

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.

EPSS: 0.002 (10.8th percentile) — read the EPSS interpretation.